661440147268

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1\times {\mathrm{43451}}^1$

素因数の和:44320

約数の個数: 48

約数和(自身を含む): 1191349555200

約数和(自身を除く): 529909407932

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 719, 1438, 2876, 5293, 10586, 21172, 43451, 48173, 56801, 86902, 96346, 113602, 173804, 192692, 227204, 2911217, 3432629, 3805667, 5822434, 6865258, 7611334, 11644868, 13730516, 15222668, 31241269, 62482538, 124965076, 229986143, 459972286, 919944572, 2093165023, 2468060251, 4186330046, 4936120502, 8372660092, 9872241004, 165360036817, 330720073634, 661440147268]

約数ペア:

[(1, 661440147268), (2, 330720073634), (4, 165360036817), (67, 9872241004), (79, 8372660092), (134, 4936120502), (158, 4186330046), (268, 2468060251), (316, 2093165023), (719, 919944572), (1438, 459972286), (2876, 229986143), (5293, 124965076), (10586, 62482538), (21172, 31241269), (43451, 15222668), (48173, 13730516), (56801, 11644868), (86902, 7611334), (96346, 6865258), (113602, 5822434), (173804, 3805667), (192692, 3432629), (227204, 2911217)]