7821426

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 17337024

約数和(自身を除く): 9515598

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 157, 314, 361, 437, 471, 722, 874, 942, 1083, 1311, 2166, 2622, 2983, 3611, 5966, 7222, 8303, 8949, 10833, 16606, 17898, 21666, 24909, 49818, 56677, 68609, 113354, 137218, 170031, 205827, 340062, 411654, 1303571, 2607142, 3910713, 7821426]

約数ペア:

[(1, 7821426), (2, 3910713), (3, 2607142), (6, 1303571), (19, 411654), (23, 340062), (38, 205827), (46, 170031), (57, 137218), (69, 113354), (114, 68609), (138, 56677), (157, 49818), (314, 24909), (361, 21666), (437, 17898), (471, 16606), (722, 10833), (874, 8949), (942, 8303), (1083, 7222), (1311, 5966), (2166, 3611), (2622, 2983)]