256474725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11437}}^1$

素因数の和:11486

約数の個数: 48

約数和(自身を含む): 476552832

約数和(自身を除く): 220078107

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 4485, 7475, 11437, 22425, 34311, 57185, 148681, 171555, 263051, 285925, 446043, 743405, 789153, 857775, 1315255, 2230215, 3419663, 3717025, 3945765, 6576275, 10258989, 11151075, 17098315, 19728825, 51294945, 85491575, 256474725]

約数ペア:

[(1, 256474725), (3, 85491575), (5, 51294945), (13, 19728825), (15, 17098315), (23, 11151075), (25, 10258989), (39, 6576275), (65, 3945765), (69, 3717025), (75, 3419663), (115, 2230215), (195, 1315255), (299, 857775), (325, 789153), (345, 743405), (575, 446043), (897, 285925), (975, 263051), (1495, 171555), (1725, 148681), (4485, 57185), (7475, 34311), (11437, 22425)]