31281328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2549}}^1$

素因数の和:2629

約数の個数: 40

約数和(自身を含む): 66402000

約数和(自身を除く): 35120672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 2549, 3068, 5098, 6136, 10196, 12272, 20392, 33137, 40784, 66274, 132548, 150391, 265096, 300782, 530192, 601564, 1203128, 1955083, 2406256, 3910166, 7820332, 15640664, 31281328]

約数ペア:

[(1, 31281328), (2, 15640664), (4, 7820332), (8, 3910166), (13, 2406256), (16, 1955083), (26, 1203128), (52, 601564), (59, 530192), (104, 300782), (118, 265096), (208, 150391), (236, 132548), (472, 66274), (767, 40784), (944, 33137), (1534, 20392), (2549, 12272), (3068, 10196), (5098, 6136)]