31391724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 70214676

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 19, 21, 26, 28, 34, 38, 39, 42, 51, 52, 57, 68, 76, 78, 84, 89, 91, 102, 114, 119, 133, 156, 178, 182, 204, 221, 228, 238, 247, 266, 267, 273, 323, 356, 357, 364, 399, 442, 476, 494, 532, 534, 546, 623, 646, 663, 714, 741, 798, 884, 969, 988, 1068, 1092, 1157, 1246, 1292, 1326, 1428, 1482, 1513, 1547, 1596, 1691, 1729, 1869, 1938, 2261, 2314, 2492, 2652, 2964, 3026, 3094, 3382, 3458, 3471, 3738, 3876, 4199, 4522, 4539, 4628, 4641, 5073, 5187, 6052, 6188, 6764, 6783, 6916, 6942, 7476, 8099, 8398, 9044, 9078, 9282, 10146, 10374, 10591, 11837, 12597, 13566, 13884, 16198, 16796, 18156, 18564, 19669, 20292, 20748, 21182, 21983, 23674, 24297, 25194, 27132, 28747, 29393, 31773, 32396, 35511, 39338, 42364, 43966, 47348, 48594, 50388, 57494, 58786, 59007, 63546, 65949, 71022, 78676, 86241, 87932, 88179, 97188, 114988, 117572, 118014, 127092, 131898, 137683, 142044, 153881, 172482, 176358, 201229, 236028, 263796, 275366, 307762, 344964, 352716, 373711, 402458, 413049, 461643, 550732, 603687, 615524, 747422, 804916, 826098, 923286, 1121133, 1207374, 1494844, 1652196, 1846572, 2242266, 2414748, 2615977, 4484532, 5231954, 7847931, 10463908, 15695862, 31391724]

約数ペア:

[(1, 31391724), (2, 15695862), (3, 10463908), (4, 7847931), (6, 5231954), (7, 4484532), (12, 2615977), (13, 2414748), (14, 2242266), (17, 1846572), (19, 1652196), (21, 1494844), (26, 1207374), (28, 1121133), (34, 923286), (38, 826098), (39, 804916), (42, 747422), (51, 615524), (52, 603687), (57, 550732), (68, 461643), (76, 413049), (78, 402458), (84, 373711), (89, 352716), (91, 344964), (102, 307762), (114, 275366), (119, 263796), (133, 236028), (156, 201229), (178, 176358), (182, 172482), (204, 153881), (221, 142044), (228, 137683), (238, 131898), (247, 127092), (266, 118014), (267, 117572), (273, 114988), (323, 97188), (356, 88179), (357, 87932), (364, 86241), (399, 78676), (442, 71022), (476, 65949), (494, 63546), (532, 59007), (534, 58786), (546, 57494), (623, 50388), (646, 48594), (663, 47348), (714, 43966), (741, 42364), (798, 39338), (884, 35511), (969, 32396), (988, 31773), (1068, 29393), (1092, 28747), (1157, 27132), (1246, 25194), (1292, 24297), (1326, 23674), (1428, 21983), (1482, 21182), (1513, 20748), (1547, 20292), (1596, 19669), (1691, 18564), (1729, 18156), (1869, 16796), (1938, 16198), (2261, 13884), (2314, 13566), (2492, 12597), (2652, 11837), (2964, 10591), (3026, 10374), (3094, 10146), (3382, 9282), (3458, 9078), (3471, 9044), (3738, 8398), (3876, 8099), (4199, 7476), (4522, 6942), (4539, 6916), (4628, 6783), (4641, 6764), (5073, 6188), (5187, 6052)]