31109864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 65525760

約数和(自身を除く): 34415896

約数列:

[1, 2, 4, 8, 17, 31, 34, 47, 62, 68, 94, 124, 136, 157, 188, 248, 314, 376, 527, 628, 799, 1054, 1256, 1457, 1598, 2108, 2669, 2914, 3196, 4216, 4867, 5338, 5828, 6392, 7379, 9734, 10676, 11656, 14758, 19468, 21352, 24769, 29516, 38936, 49538, 59032, 82739, 99076, 125443, 165478, 198152, 228749, 250886, 330956, 457498, 501772, 661912, 914996, 1003544, 1829992, 3888733, 7777466, 15554932, 31109864]

約数ペア:

[(1, 31109864), (2, 15554932), (4, 7777466), (8, 3888733), (17, 1829992), (31, 1003544), (34, 914996), (47, 661912), (62, 501772), (68, 457498), (94, 330956), (124, 250886), (136, 228749), (157, 198152), (188, 165478), (248, 125443), (314, 99076), (376, 82739), (527, 59032), (628, 49538), (799, 38936), (1054, 29516), (1256, 24769), (1457, 21352), (1598, 19468), (2108, 14758), (2669, 11656), (2914, 10676), (3196, 9734), (4216, 7379), (4867, 6392), (5338, 5828)]