87964148

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{60917}}^1$

素因数の和:60959

約数の個数: 18

約数和(自身を含む): 162468306

約数和(自身を除く): 74504158

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 60917, 121834, 243668, 1157423, 2314846, 4629692, 21991037, 43982074, 87964148]

約数ペア:

[(1, 87964148), (2, 43982074), (4, 21991037), (19, 4629692), (38, 2314846), (76, 1157423), (361, 243668), (722, 121834), (1444, 60917)]