207922390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{123031}}^1$

素因数の和:123064

約数の個数: 24

約数和(自身を含む): 405267408

約数和(自身を除く): 197345018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 123031, 246062, 615155, 1230310, 1599403, 3198806, 7997015, 15994030, 20792239, 41584478, 103961195, 207922390]

約数ペア:

[(1, 207922390), (2, 103961195), (5, 41584478), (10, 20792239), (13, 15994030), (26, 7997015), (65, 3198806), (130, 1599403), (169, 1230310), (338, 615155), (845, 246062), (1690, 123031)]