30991816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7351}}^1$

素因数の和:7405

約数の個数: 32

約数和(自身を含む): 63521280

約数和(自身を除く): 32529464

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 7351, 14702, 29404, 58808, 124967, 227881, 249934, 455762, 499868, 911524, 999736, 1823048, 3873977, 7747954, 15495908, 30991816]

約数ペア:

[(1, 30991816), (2, 15495908), (4, 7747954), (8, 3873977), (17, 1823048), (31, 999736), (34, 911524), (62, 499868), (68, 455762), (124, 249934), (136, 227881), (248, 124967), (527, 58808), (1054, 29404), (2108, 14702), (4216, 7351)]