31809312

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 98181720

約数和(自身を除く): 66372408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 73, 89, 96, 102, 136, 144, 146, 153, 178, 204, 219, 267, 272, 288, 292, 306, 356, 408, 438, 534, 544, 584, 612, 657, 712, 801, 816, 876, 1068, 1168, 1224, 1241, 1314, 1424, 1513, 1602, 1632, 1752, 2136, 2336, 2448, 2482, 2628, 2848, 3026, 3204, 3504, 3723, 4272, 4539, 4896, 4964, 5256, 6052, 6408, 6497, 7008, 7446, 8544, 9078, 9928, 10512, 11169, 12104, 12816, 12994, 13617, 14892, 18156, 19491, 19856, 21024, 22338, 24208, 25632, 25988, 27234, 29784, 36312, 38982, 39712, 44676, 48416, 51976, 54468, 58473, 59568, 72624, 77964, 89352, 103952, 108936, 110449, 116946, 119136, 145248, 155928, 178704, 207904, 217872, 220898, 233892, 311856, 331347, 357408, 435744, 441796, 467784, 623712, 662694, 883592, 935568, 994041, 1325388, 1767184, 1871136, 1988082, 2650776, 3534368, 3976164, 5301552, 7952328, 10603104, 15904656, 31809312]

約数ペア:

[(1, 31809312), (2, 15904656), (3, 10603104), (4, 7952328), (6, 5301552), (8, 3976164), (9, 3534368), (12, 2650776), (16, 1988082), (17, 1871136), (18, 1767184), (24, 1325388), (32, 994041), (34, 935568), (36, 883592), (48, 662694), (51, 623712), (68, 467784), (72, 441796), (73, 435744), (89, 357408), (96, 331347), (102, 311856), (136, 233892), (144, 220898), (146, 217872), (153, 207904), (178, 178704), (204, 155928), (219, 145248), (267, 119136), (272, 116946), (288, 110449), (292, 108936), (306, 103952), (356, 89352), (408, 77964), (438, 72624), (534, 59568), (544, 58473), (584, 54468), (612, 51976), (657, 48416), (712, 44676), (801, 39712), (816, 38982), (876, 36312), (1068, 29784), (1168, 27234), (1224, 25988), (1241, 25632), (1314, 24208), (1424, 22338), (1513, 21024), (1602, 19856), (1632, 19491), (1752, 18156), (2136, 14892), (2336, 13617), (2448, 12994), (2482, 12816), (2628, 12104), (2848, 11169), (3026, 10512), (3204, 9928), (3504, 9078), (3723, 8544), (4272, 7446), (4539, 7008), (4896, 6497), (4964, 6408), (5256, 6052)]