247192648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{6911}}^1$

素因数の和:7197

約数の個数: 32

約数和(自身を含む): 492687360

約数和(自身を除く): 245494712

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 263, 526, 1052, 2104, 4471, 6911, 8942, 13822, 17884, 27644, 35768, 55288, 117487, 234974, 469948, 939896, 1817593, 3635186, 7270372, 14540744, 30899081, 61798162, 123596324, 247192648]

約数ペア:

[(1, 247192648), (2, 123596324), (4, 61798162), (8, 30899081), (17, 14540744), (34, 7270372), (68, 3635186), (136, 1817593), (263, 939896), (526, 469948), (1052, 234974), (2104, 117487), (4471, 55288), (6911, 35768), (8942, 27644), (13822, 17884)]