388460488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{29411}}^1$

素因数の和:29557

約数の個数: 32

約数和(自身を含む): 790594560

約数和(自身を除く): 402134072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 13208, 29411, 58822, 117644, 235288, 382343, 764686, 1529372, 3058744, 3735197, 7470394, 14940788, 29881576, 48557561, 97115122, 194230244, 388460488]

約数ペア:

[(1, 388460488), (2, 194230244), (4, 97115122), (8, 48557561), (13, 29881576), (26, 14940788), (52, 7470394), (104, 3735197), (127, 3058744), (254, 1529372), (508, 764686), (1016, 382343), (1651, 235288), (3302, 117644), (6604, 58822), (13208, 29411)]