157898810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1283}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 294354432

約数和(自身を除く): 136455622

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 397, 794, 1283, 1985, 2566, 3970, 6415, 12307, 12830, 24614, 39773, 61535, 79546, 123070, 198865, 397730, 509351, 1018702, 2546755, 5093510, 15789881, 31579762, 78949405, 157898810]

約数ペア:

[(1, 157898810), (2, 78949405), (5, 31579762), (10, 15789881), (31, 5093510), (62, 2546755), (155, 1018702), (310, 509351), (397, 397730), (794, 198865), (1283, 123070), (1985, 79546), (2566, 61535), (3970, 39773), (6415, 24614), (12307, 12830)]