67641808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{325201}}^1$

素因数の和:325222

約数の個数: 20

約数和(自身を含む): 141137668

約数和(自身を除く): 73495860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 325201, 650402, 1300804, 2601608, 4227613, 5203216, 8455226, 16910452, 33820904, 67641808]

約数ペア:

[(1, 67641808), (2, 33820904), (4, 16910452), (8, 8455226), (13, 5203216), (16, 4227613), (26, 2601608), (52, 1300804), (104, 650402), (208, 325201)]