8701990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 17210880

約数和(自身を除く): 8508890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 331, 478, 662, 1195, 1655, 2390, 2629, 3310, 3641, 5258, 7282, 13145, 18205, 26290, 36410, 79109, 158218, 395545, 791090, 870199, 1740398, 4350995, 8701990]

約数ペア:

[(1, 8701990), (2, 4350995), (5, 1740398), (10, 870199), (11, 791090), (22, 395545), (55, 158218), (110, 79109), (239, 36410), (331, 26290), (478, 18205), (662, 13145), (1195, 7282), (1655, 5258), (2390, 3641), (2629, 3310)]