64309072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211543}}^1$

素因数の和:211570

約数の個数: 20

約数和(自身を含む): 131157280

約数和(自身を除く): 66848208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211543, 423086, 846172, 1692344, 3384688, 4019317, 8038634, 16077268, 32154536, 64309072]

約数ペア:

[(1, 64309072), (2, 32154536), (4, 16077268), (8, 8038634), (16, 4019317), (19, 3384688), (38, 1692344), (76, 846172), (152, 423086), (304, 211543)]