668405988

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{395039}}^1$

素因数の和:395096

約数の個数: 36

約数和(自身を含む): 1725534720

約数和(自身を除く): 1057128732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 395039, 790078, 1185117, 1580156, 2370234, 3555351, 4740468, 7110702, 14221404, 18566833, 37133666, 55700499, 74267332, 111400998, 167101497, 222801996, 334202994, 668405988]

約数ペア:

[(1, 668405988), (2, 334202994), (3, 222801996), (4, 167101497), (6, 111400998), (9, 74267332), (12, 55700499), (18, 37133666), (36, 18566833), (47, 14221404), (94, 7110702), (141, 4740468), (188, 3555351), (282, 2370234), (423, 1580156), (564, 1185117), (846, 790078), (1692, 395039)]