399094956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1531}}^1$

素因数の和:2111

約数の個数: 72

約数和(自身を含む): 1089086544

約数和(自身を除く): 689991588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 557, 1114, 1531, 1671, 2228, 3062, 3342, 4593, 5013, 6124, 6684, 7241, 9186, 10026, 13779, 14482, 18372, 19903, 20052, 21723, 27558, 28964, 39806, 43446, 55116, 59709, 65169, 79612, 86892, 119418, 130338, 179127, 238836, 260676, 358254, 716508, 852767, 1705534, 2558301, 3411068, 5116602, 7674903, 10233204, 11085971, 15349806, 22171942, 30699612, 33257913, 44343884, 66515826, 99773739, 133031652, 199547478, 399094956]

約数ペア:

[(1, 399094956), (2, 199547478), (3, 133031652), (4, 99773739), (6, 66515826), (9, 44343884), (12, 33257913), (13, 30699612), (18, 22171942), (26, 15349806), (36, 11085971), (39, 10233204), (52, 7674903), (78, 5116602), (117, 3411068), (156, 2558301), (234, 1705534), (468, 852767), (557, 716508), (1114, 358254), (1531, 260676), (1671, 238836), (2228, 179127), (3062, 130338), (3342, 119418), (4593, 86892), (5013, 79612), (6124, 65169), (6684, 59709), (7241, 55116), (9186, 43446), (10026, 39806), (13779, 28964), (14482, 27558), (18372, 21723), (19903, 20052)]