686643568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{10753}}^1$

素因数の和:11081

約数の個数: 40

約数和(自身を含む): 1437508688

約数和(自身を除く): 750865120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 614, 1228, 2456, 3991, 4912, 7982, 10753, 15964, 21506, 31928, 43012, 63856, 86024, 139789, 172048, 279578, 559156, 1118312, 2236624, 3301171, 6602342, 13204684, 26409368, 42915223, 52818736, 85830446, 171660892, 343321784, 686643568]

約数ペア:

[(1, 686643568), (2, 343321784), (4, 171660892), (8, 85830446), (13, 52818736), (16, 42915223), (26, 26409368), (52, 13204684), (104, 6602342), (208, 3301171), (307, 2236624), (614, 1118312), (1228, 559156), (2456, 279578), (3991, 172048), (4912, 139789), (7982, 86024), (10753, 63856), (15964, 43012), (21506, 31928)]