405963376

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2707}}^1$

素因数の和:2838

約数の個数: 80

約数和(自身を含む): 977826304

約数和(自身を除く): 571862928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 182, 206, 208, 364, 412, 721, 728, 824, 1339, 1442, 1456, 1648, 2678, 2707, 2884, 5356, 5414, 5768, 9373, 10712, 10828, 11536, 18746, 18949, 21424, 21656, 35191, 37492, 37898, 43312, 70382, 74984, 75796, 140764, 149968, 151592, 246337, 278821, 281528, 303184, 492674, 557642, 563056, 985348, 1115284, 1951747, 1970696, 2230568, 3624673, 3903494, 3941392, 4461136, 7249346, 7806988, 14498692, 15613976, 25372711, 28997384, 31227952, 50745422, 57994768, 101490844, 202981688, 405963376]

約数ペア:

[(1, 405963376), (2, 202981688), (4, 101490844), (7, 57994768), (8, 50745422), (13, 31227952), (14, 28997384), (16, 25372711), (26, 15613976), (28, 14498692), (52, 7806988), (56, 7249346), (91, 4461136), (103, 3941392), (104, 3903494), (112, 3624673), (182, 2230568), (206, 1970696), (208, 1951747), (364, 1115284), (412, 985348), (721, 563056), (728, 557642), (824, 492674), (1339, 303184), (1442, 281528), (1456, 278821), (1648, 246337), (2678, 151592), (2707, 149968), (2884, 140764), (5356, 75796), (5414, 74984), (5768, 70382), (9373, 43312), (10712, 37898), (10828, 37492), (11536, 35191), (18746, 21656), (18949, 21424)]