80400866

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 152296704

約数和(自身を除く): 71895838

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 223, 283, 446, 566, 637, 1274, 1561, 1981, 2899, 3122, 3679, 3962, 5798, 7358, 10927, 13867, 20293, 21854, 25753, 27734, 40586, 51506, 63109, 126218, 142051, 180271, 284102, 360542, 441763, 820417, 883526, 1640834, 3092341, 5742919, 6184682, 11485838, 40200433, 80400866]

約数ペア:

[(1, 80400866), (2, 40200433), (7, 11485838), (13, 6184682), (14, 5742919), (26, 3092341), (49, 1640834), (91, 883526), (98, 820417), (182, 441763), (223, 360542), (283, 284102), (446, 180271), (566, 142051), (637, 126218), (1274, 63109), (1561, 51506), (1981, 40586), (2899, 27734), (3122, 25753), (3679, 21854), (3962, 20293), (5798, 13867), (7358, 10927)]