205454977

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 264176640

約数和(自身を除く): 58721663

約数列:

[1, 7, 13, 41, 53, 91, 287, 371, 533, 689, 1039, 2173, 3731, 4823, 7273, 13507, 15211, 28249, 42599, 55067, 94549, 197743, 298193, 385469, 553787, 715871, 2257747, 3876509, 5011097, 15804229, 29350711, 205454977]

約数ペア:

[(1, 205454977), (7, 29350711), (13, 15804229), (41, 5011097), (53, 3876509), (91, 2257747), (287, 715871), (371, 553787), (533, 385469), (689, 298193), (1039, 197743), (2173, 94549), (3731, 55067), (4823, 42599), (7273, 28249), (13507, 15211)]