78546910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2351}}^1$

素因数の和:2628

約数の個数: 32

約数和(自身を含む): 152917632

約数和(自身を除く): 74370722

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2351, 2570, 3341, 4702, 6682, 11755, 16705, 23510, 30563, 33410, 61126, 152815, 305630, 604207, 1208414, 3021035, 6042070, 7854691, 15709382, 39273455, 78546910]

約数ペア:

[(1, 78546910), (2, 39273455), (5, 15709382), (10, 7854691), (13, 6042070), (26, 3021035), (65, 1208414), (130, 604207), (257, 305630), (514, 152815), (1285, 61126), (2351, 33410), (2570, 30563), (3341, 23510), (4702, 16705), (6682, 11755)]