25221538

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1229}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 39202560

約数和(自身を除く): 13981022

約数列:

[1, 2, 31, 62, 331, 662, 1229, 2458, 10261, 20522, 38099, 76198, 406799, 813598, 12610769, 25221538]

約数ペア:

[(1, 25221538), (2, 12610769), (31, 813598), (62, 406799), (331, 76198), (662, 38099), (1229, 20522), (2458, 10261)]