64990252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{2281}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 120763440

約数和(自身を除く): 55773188

約数列:

[1, 2, 4, 17, 34, 68, 419, 838, 1676, 2281, 4562, 7123, 9124, 14246, 28492, 38777, 77554, 155108, 955739, 1911478, 3822956, 16247563, 32495126, 64990252]

約数ペア:

[(1, 64990252), (2, 32495126), (4, 16247563), (17, 3822956), (34, 1911478), (68, 955739), (419, 155108), (838, 77554), (1676, 38777), (2281, 28492), (4562, 14246), (7123, 9124)]