3881488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{18661}}^1$

素因数の和:18682

約数の個数: 20

約数和(自身を含む): 8099308

約数和(自身を除く): 4217820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 18661, 37322, 74644, 149288, 242593, 298576, 485186, 970372, 1940744, 3881488]

約数ペア:

[(1, 3881488), (2, 1940744), (4, 970372), (8, 485186), (13, 298576), (16, 242593), (26, 149288), (52, 74644), (104, 37322), (208, 18661)]