123888656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{455473}}^1$

素因数の和:455498

約数の個数: 20

約数和(自身を含む): 254154492

約数和(自身を除く): 130265836

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 455473, 910946, 1821892, 3643784, 7287568, 7743041, 15486082, 30972164, 61944328, 123888656]

約数ペア:

[(1, 123888656), (2, 61944328), (4, 30972164), (8, 15486082), (16, 7743041), (17, 7287568), (34, 3643784), (68, 1821892), (136, 910946), (272, 455473)]