81406572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{827}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 205132032

約数和(自身を除く): 123725460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 631, 827, 1262, 1654, 1893, 2481, 2524, 3308, 3786, 4962, 7572, 8203, 9924, 10751, 16406, 21502, 24609, 32253, 32812, 43004, 49218, 64506, 98436, 129012, 521837, 1043674, 1565511, 2087348, 3131022, 6262044, 6783881, 13567762, 20351643, 27135524, 40703286, 81406572]

約数ペア:

[(1, 81406572), (2, 40703286), (3, 27135524), (4, 20351643), (6, 13567762), (12, 6783881), (13, 6262044), (26, 3131022), (39, 2087348), (52, 1565511), (78, 1043674), (156, 521837), (631, 129012), (827, 98436), (1262, 64506), (1654, 49218), (1893, 43004), (2481, 32812), (2524, 32253), (3308, 24609), (3786, 21502), (4962, 16406), (7572, 10751), (8203, 9924)]