31990072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{210461}}^1$

素因数の和:210486

約数の個数: 16

約数和(自身を含む): 63138600

約数和(自身を除く): 31148528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 210461, 420922, 841844, 1683688, 3998759, 7997518, 15995036, 31990072]

約数ペア:

[(1, 31990072), (2, 15995036), (4, 7997518), (8, 3998759), (19, 1683688), (38, 841844), (76, 420922), (152, 210461)]