398938228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{86201}}^1$

素因数の和:86307

約数の個数: 24

約数和(自身を含む): 760301640

約数和(自身を除く): 361363412

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 86201, 172402, 344804, 1120613, 2241226, 4482452, 7671889, 15343778, 30687556, 99734557, 199469114, 398938228]

約数ペア:

[(1, 398938228), (2, 199469114), (4, 99734557), (13, 30687556), (26, 15343778), (52, 7671889), (89, 4482452), (178, 2241226), (356, 1120613), (1157, 344804), (2314, 172402), (4628, 86201)]