81915430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{6569}}^1$

素因数の和:6648

約数の個数: 32

約数和(自身を含む): 156103200

約数和(自身を除く): 74187770

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 2494, 6235, 6569, 12470, 13138, 32845, 65690, 190501, 282467, 381002, 564934, 952505, 1412335, 1905010, 2824670, 8191543, 16383086, 40957715, 81915430]

約数ペア:

[(1, 81915430), (2, 40957715), (5, 16383086), (10, 8191543), (29, 2824670), (43, 1905010), (58, 1412335), (86, 952505), (145, 564934), (215, 381002), (290, 282467), (430, 190501), (1247, 65690), (2494, 32845), (6235, 13138), (6569, 12470)]