638678244

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{7699}}^1$

素因数の和:7960

約数の個数: 48

約数和(自身を含む): 1545420800

約数和(自身を除く): 906742556

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 223, 372, 446, 669, 892, 1338, 2676, 6913, 7699, 13826, 15398, 20739, 23097, 27652, 30796, 41478, 46194, 82956, 92388, 238669, 477338, 716007, 954676, 1432014, 1716877, 2864028, 3433754, 5150631, 6867508, 10301262, 20602524, 53223187, 106446374, 159669561, 212892748, 319339122, 638678244]

約数ペア:

[(1, 638678244), (2, 319339122), (3, 212892748), (4, 159669561), (6, 106446374), (12, 53223187), (31, 20602524), (62, 10301262), (93, 6867508), (124, 5150631), (186, 3433754), (223, 2864028), (372, 1716877), (446, 1432014), (669, 954676), (892, 716007), (1338, 477338), (2676, 238669), (6913, 92388), (7699, 82956), (13826, 46194), (15398, 41478), (20739, 30796), (23097, 27652)]