25156431556

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{20143}}^1$

素因数の和:20380

約数の個数: 48

約数和(自身を含む): 46234831104

約数和(自身を除く): 21078399548

約数列:

[1, 2, 4, 43, 53, 86, 106, 137, 172, 212, 274, 548, 2279, 4558, 5891, 7261, 9116, 11782, 14522, 20143, 23564, 29044, 40286, 80572, 312223, 624446, 866149, 1067579, 1248892, 1732298, 2135158, 2759591, 3464596, 4270316, 5519182, 11038364, 45905897, 91811794, 118662413, 146258323, 183623588, 237324826, 292516646, 474649652, 585033292, 6289107889, 12578215778, 25156431556]

約数ペア:

[(1, 25156431556), (2, 12578215778), (4, 6289107889), (43, 585033292), (53, 474649652), (86, 292516646), (106, 237324826), (137, 183623588), (172, 146258323), (212, 118662413), (274, 91811794), (548, 45905897), (2279, 11038364), (4558, 5519182), (5891, 4270316), (7261, 3464596), (9116, 2759591), (11782, 2135158), (14522, 1732298), (20143, 1248892), (23564, 1067579), (29044, 866149), (40286, 624446), (80572, 312223)]