31212838

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1103

約数の個数: 16

約数和(自身を含む): 47589120

約数和(自身を除く): 16376282

約数列:

[1, 2, 101, 191, 202, 382, 809, 1618, 19291, 38582, 81709, 154519, 163418, 309038, 15606419, 31212838]

約数ペア:

[(1, 31212838), (2, 15606419), (101, 309038), (191, 163418), (202, 154519), (382, 81709), (809, 38582), (1618, 19291)]