251117830

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191693}}^1$

素因数の和:191831

約数の個数: 16

約数和(自身を含む): 455464944

約数和(自身を除く): 204347114

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 191693, 383386, 958465, 1916930, 25111783, 50223566, 125558915, 251117830]

約数ペア:

[(1, 251117830), (2, 125558915), (5, 50223566), (10, 25111783), (131, 1916930), (262, 958465), (655, 383386), (1310, 191693)]