81378008

素因数分解:

$2^3\times {\mathrm{1901}}^1\times {\mathrm{5351}}^1$

素因数の和:7258

約数の個数: 16

約数和(自身を含む): 152692560

約数和(自身を除く): 71314552

約数列:

[1, 2, 4, 8, 1901, 3802, 5351, 7604, 10702, 15208, 21404, 42808, 10172251, 20344502, 40689004, 81378008]

約数ペア:

[(1, 81378008), (2, 40689004), (4, 20344502), (8, 10172251), (1901, 42808), (3802, 21404), (5351, 15208), (7604, 10702)]