28216812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{947}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 71350272

約数和(自身を除く): 43133460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 191, 382, 573, 764, 947, 1146, 1894, 2292, 2483, 2841, 3788, 4966, 5682, 7449, 9932, 11364, 12311, 14898, 24622, 29796, 36933, 49244, 73866, 147732, 180877, 361754, 542631, 723508, 1085262, 2170524, 2351401, 4702802, 7054203, 9405604, 14108406, 28216812]

約数ペア:

[(1, 28216812), (2, 14108406), (3, 9405604), (4, 7054203), (6, 4702802), (12, 2351401), (13, 2170524), (26, 1085262), (39, 723508), (52, 542631), (78, 361754), (156, 180877), (191, 147732), (382, 73866), (573, 49244), (764, 36933), (947, 29796), (1146, 24622), (1894, 14898), (2292, 12311), (2483, 11364), (2841, 9932), (3788, 7449), (4966, 5682)]