630810128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{5821}}^1$

素因数の和:6363

約数の個数: 40

約数和(自身を含む): 1318962456

約数和(自身を除く): 688152328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 521, 1042, 2084, 4168, 5821, 6773, 8336, 11642, 13546, 23284, 27092, 46568, 54184, 75673, 93136, 108368, 151346, 302692, 605384, 1210768, 3032741, 6065482, 12130964, 24261928, 39425633, 48523856, 78851266, 157702532, 315405064, 630810128]

約数ペア:

[(1, 630810128), (2, 315405064), (4, 157702532), (8, 78851266), (13, 48523856), (16, 39425633), (26, 24261928), (52, 12130964), (104, 6065482), (208, 3032741), (521, 1210768), (1042, 605384), (2084, 302692), (4168, 151346), (5821, 108368), (6773, 93136), (8336, 75673), (11642, 54184), (13546, 46568), (23284, 27092)]