639883968

素因数分解:

$2^6\times 3^1\times {\mathrm{107}}^1\times {\mathrm{31147}}^1$

素因数の和:31269

約数の個数: 56

約数和(自身を含む): 1708903872

約数和(自身を除く): 1069019904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 192, 214, 321, 428, 642, 856, 1284, 1712, 2568, 3424, 5136, 6848, 10272, 20544, 31147, 62294, 93441, 124588, 186882, 249176, 373764, 498352, 747528, 996704, 1495056, 1993408, 2990112, 3332729, 5980224, 6665458, 9998187, 13330916, 19996374, 26661832, 39992748, 53323664, 79985496, 106647328, 159970992, 213294656, 319941984, 639883968]

約数ペア:

[(1, 639883968), (2, 319941984), (3, 213294656), (4, 159970992), (6, 106647328), (8, 79985496), (12, 53323664), (16, 39992748), (24, 26661832), (32, 19996374), (48, 13330916), (64, 9998187), (96, 6665458), (107, 5980224), (192, 3332729), (214, 2990112), (321, 1993408), (428, 1495056), (642, 996704), (856, 747528), (1284, 498352), (1712, 373764), (2568, 249176), (3424, 186882), (5136, 124588), (6848, 93441), (10272, 62294), (20544, 31147)]