721572254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{351301}}^1$

素因数の和:351395

約数の個数: 16

約数和(自身を含む): 1180374720

約数和(自身を除く): 458802466

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 351301, 702602, 4566913, 9133826, 27752779, 55505558, 360786127, 721572254]

約数ペア:

[(1, 721572254), (2, 360786127), (13, 55505558), (26, 27752779), (79, 9133826), (158, 4566913), (1027, 702602), (2054, 351301)]