156721864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{48611}}^1$

素因数の和:48661

約数の個数: 32

約数和(自身を含む): 326672640

約数和(自身を除く): 169950776

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 48611, 97222, 194444, 388888, 631943, 1263886, 1506941, 2527772, 3013882, 5055544, 6027764, 12055528, 19590233, 39180466, 78360932, 156721864]

約数ペア:

[(1, 156721864), (2, 78360932), (4, 39180466), (8, 19590233), (13, 12055528), (26, 6027764), (31, 5055544), (52, 3013882), (62, 2527772), (104, 1506941), (124, 1263886), (248, 631943), (403, 388888), (806, 194444), (1612, 97222), (3224, 48611)]