381668

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 783552

約数和(自身を除く): 401884

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 317, 602, 634, 1204, 1268, 2219, 4438, 8876, 13631, 27262, 54524, 95417, 190834, 381668]

約数ペア:

[(1, 381668), (2, 190834), (4, 95417), (7, 54524), (14, 27262), (28, 13631), (43, 8876), (86, 4438), (172, 2219), (301, 1268), (317, 1204), (602, 634)]