1390712876

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{117977}}^1$

素因数の和:118409

約数の個数: 24

約数和(自身を含む): 2788056096

約数和(自身を除く): 1397343220

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 117977, 235954, 471908, 825839, 1651678, 3303356, 49668317, 99336634, 198673268, 347678219, 695356438, 1390712876]

約数ペア:

[(1, 1390712876), (2, 695356438), (4, 347678219), (7, 198673268), (14, 99336634), (28, 49668317), (421, 3303356), (842, 1651678), (1684, 825839), (2947, 471908), (5894, 235954), (11788, 117977)]