399494328

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{1601}}^1$

素因数の和:1928

約数の個数: 64

約数和(自身を含む): 1030021920

約数和(自身を除く): 630527592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 281, 296, 444, 562, 843, 888, 1124, 1601, 1686, 2248, 3202, 3372, 4803, 6404, 6744, 9606, 10397, 12808, 19212, 20794, 31191, 38424, 41588, 59237, 62382, 83176, 118474, 124764, 177711, 236948, 249528, 355422, 449881, 473896, 710844, 899762, 1349643, 1421688, 1799524, 2699286, 3599048, 5398572, 10797144, 16645597, 33291194, 49936791, 66582388, 99873582, 133164776, 199747164, 399494328]

約数ペア:

[(1, 399494328), (2, 199747164), (3, 133164776), (4, 99873582), (6, 66582388), (8, 49936791), (12, 33291194), (24, 16645597), (37, 10797144), (74, 5398572), (111, 3599048), (148, 2699286), (222, 1799524), (281, 1421688), (296, 1349643), (444, 899762), (562, 710844), (843, 473896), (888, 449881), (1124, 355422), (1601, 249528), (1686, 236948), (2248, 177711), (3202, 124764), (3372, 118474), (4803, 83176), (6404, 62382), (6744, 59237), (9606, 41588), (10397, 38424), (12808, 31191), (19212, 20794)]