678674326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{146203}}^1$

素因数の和:146427

約数の個数: 16

約数和(自身を含む): 1115828928

約数和(自身を除く): 437154602

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 146203, 292406, 1608233, 3216466, 30848833, 61697666, 339337163, 678674326]

約数ペア:

[(1, 678674326), (2, 339337163), (11, 61697666), (22, 30848833), (211, 3216466), (422, 1608233), (2321, 292406), (4642, 146203)]