128477336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{8291}}^1$

素因数の和:8459

約数の個数: 32

約数和(自身を含む): 261198000

約数和(自身を除く): 132720664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1937, 3874, 7748, 8291, 15496, 16582, 33164, 66328, 107783, 215566, 431132, 862264, 1235359, 2470718, 4941436, 9882872, 16059667, 32119334, 64238668, 128477336]

約数ペア:

[(1, 128477336), (2, 64238668), (4, 32119334), (8, 16059667), (13, 9882872), (26, 4941436), (52, 2470718), (104, 1235359), (149, 862264), (298, 431132), (596, 215566), (1192, 107783), (1937, 66328), (3874, 33164), (7748, 16582), (8291, 15496)]