687539528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1414

約数の個数: 64

約数和(自身を含む): 1428000000

約数和(自身を除く): 740460472

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 79, 104, 134, 158, 268, 316, 536, 632, 871, 1027, 1249, 1742, 2054, 2498, 3484, 4108, 4996, 5293, 6968, 8216, 9992, 10586, 16237, 21172, 32474, 42344, 64948, 68809, 83683, 98671, 129896, 137618, 167366, 197342, 275236, 334732, 394684, 550472, 669464, 789368, 1087879, 1282723, 2175758, 2565446, 4351516, 5130892, 6610957, 8703032, 10261784, 13221914, 26443828, 52887656, 85942441, 171884882, 343769764, 687539528]

約数ペア:

[(1, 687539528), (2, 343769764), (4, 171884882), (8, 85942441), (13, 52887656), (26, 26443828), (52, 13221914), (67, 10261784), (79, 8703032), (104, 6610957), (134, 5130892), (158, 4351516), (268, 2565446), (316, 2175758), (536, 1282723), (632, 1087879), (871, 789368), (1027, 669464), (1249, 550472), (1742, 394684), (2054, 334732), (2498, 275236), (3484, 197342), (4108, 167366), (4996, 137618), (5293, 129896), (6968, 98671), (8216, 83683), (9992, 68809), (10586, 64948), (16237, 42344), (21172, 32474)]