215568668

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{248351}}^1$

素因数の和:248393

約数の個数: 24

約数和(自身を含む): 445046784

約数和(自身を除く): 229478116

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 248351, 496702, 993404, 1738457, 3476914, 6953828, 7698881, 15397762, 30795524, 53892167, 107784334, 215568668]

約数ペア:

[(1, 215568668), (2, 107784334), (4, 53892167), (7, 30795524), (14, 15397762), (28, 7698881), (31, 6953828), (62, 3476914), (124, 1738457), (217, 993404), (434, 496702), (868, 248351)]