28257736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1627}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 57435840

約数和(自身を除く): 29178104

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 167, 334, 668, 1336, 1627, 2171, 3254, 4342, 6508, 8684, 13016, 17368, 21151, 42302, 84604, 169208, 271709, 543418, 1086836, 2173672, 3532217, 7064434, 14128868, 28257736]

約数ペア:

[(1, 28257736), (2, 14128868), (4, 7064434), (8, 3532217), (13, 2173672), (26, 1086836), (52, 543418), (104, 271709), (167, 169208), (334, 84604), (668, 42302), (1336, 21151), (1627, 17368), (2171, 13016), (3254, 8684), (4342, 6508)]