28703428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9049}}^1$

素因数の和:9127

約数の個数: 24

約数和(自身を含む): 54987800

約数和(自身を除く): 26284372

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 9049, 18098, 36196, 117637, 235274, 470548, 551989, 1103978, 2207956, 7175857, 14351714, 28703428]

約数ペア:

[(1, 28703428), (2, 14351714), (4, 7175857), (13, 2207956), (26, 1103978), (52, 551989), (61, 470548), (122, 235274), (244, 117637), (793, 36196), (1586, 18098), (3172, 9049)]