31920798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 88058880

約数和(自身を除く): 56138082

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 19, 21, 26, 34, 38, 39, 42, 51, 57, 78, 91, 102, 114, 119, 133, 181, 182, 221, 238, 247, 266, 273, 323, 357, 362, 399, 442, 494, 543, 546, 646, 663, 714, 741, 798, 969, 1086, 1267, 1326, 1482, 1547, 1729, 1938, 2261, 2353, 2534, 3077, 3094, 3439, 3458, 3801, 4199, 4522, 4641, 4706, 5187, 6154, 6783, 6878, 7059, 7602, 8398, 9231, 9282, 10317, 10374, 12597, 13566, 14118, 16471, 18462, 20634, 21539, 24073, 25194, 29393, 32942, 40001, 43078, 44707, 48146, 49413, 58463, 58786, 64617, 72219, 80002, 88179, 89414, 98826, 116926, 120003, 129234, 134121, 144438, 175389, 176358, 240006, 268242, 280007, 312949, 350778, 409241, 560014, 625898, 760019, 818482, 840021, 938847, 1227723, 1520038, 1680042, 1877694, 2280057, 2455446, 4560114, 5320133, 10640266, 15960399, 31920798]

約数ペア:

[(1, 31920798), (2, 15960399), (3, 10640266), (6, 5320133), (7, 4560114), (13, 2455446), (14, 2280057), (17, 1877694), (19, 1680042), (21, 1520038), (26, 1227723), (34, 938847), (38, 840021), (39, 818482), (42, 760019), (51, 625898), (57, 560014), (78, 409241), (91, 350778), (102, 312949), (114, 280007), (119, 268242), (133, 240006), (181, 176358), (182, 175389), (221, 144438), (238, 134121), (247, 129234), (266, 120003), (273, 116926), (323, 98826), (357, 89414), (362, 88179), (399, 80002), (442, 72219), (494, 64617), (543, 58786), (546, 58463), (646, 49413), (663, 48146), (714, 44707), (741, 43078), (798, 40001), (969, 32942), (1086, 29393), (1267, 25194), (1326, 24073), (1482, 21539), (1547, 20634), (1729, 18462), (1938, 16471), (2261, 14118), (2353, 13566), (2534, 12597), (3077, 10374), (3094, 10317), (3439, 9282), (3458, 9231), (3801, 8398), (4199, 7602), (4522, 7059), (4641, 6878), (4706, 6783), (5187, 6154)]