28878590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1151}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 56318976

約数和(自身を除く): 27440386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1151, 1930, 2302, 2509, 5018, 5755, 11510, 12545, 14963, 25090, 29926, 74815, 149630, 222143, 444286, 1110715, 2221430, 2887859, 5775718, 14439295, 28878590]

約数ペア:

[(1, 28878590), (2, 14439295), (5, 5775718), (10, 2887859), (13, 2221430), (26, 1110715), (65, 444286), (130, 222143), (193, 149630), (386, 74815), (965, 29926), (1151, 25090), (1930, 14963), (2302, 12545), (2509, 11510), (5018, 5755)]