28112890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7457}}^1$

素因数の和:7506

約数の個数: 32

約数和(自身を含む): 56382480

約数和(自身を除く): 28269590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 7457, 14914, 37285, 74570, 96941, 193882, 216253, 432506, 484705, 969410, 1081265, 2162530, 2811289, 5622578, 14056445, 28112890]

約数ペア:

[(1, 28112890), (2, 14056445), (5, 5622578), (10, 2811289), (13, 2162530), (26, 1081265), (29, 969410), (58, 484705), (65, 432506), (130, 216253), (145, 193882), (290, 96941), (377, 74570), (754, 37285), (1885, 14914), (3770, 7457)]