1680702988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{8431}}^1$

素因数の和:8558

約数の個数: 48

約数和(自身を含む): 3220349440

約数和(自身を除く): 1539646452

約数列:

[1, 2, 4, 19, 38, 43, 61, 76, 86, 122, 172, 244, 817, 1159, 1634, 2318, 2623, 3268, 4636, 5246, 8431, 10492, 16862, 33724, 49837, 99674, 160189, 199348, 320378, 362533, 514291, 640756, 725066, 1028582, 1450132, 2057164, 6888127, 9771529, 13776254, 19543058, 22114513, 27552508, 39086116, 44229026, 88458052, 420175747, 840351494, 1680702988]

約数ペア:

[(1, 1680702988), (2, 840351494), (4, 420175747), (19, 88458052), (38, 44229026), (43, 39086116), (61, 27552508), (76, 22114513), (86, 19543058), (122, 13776254), (172, 9771529), (244, 6888127), (817, 2057164), (1159, 1450132), (1634, 1028582), (2318, 725066), (2623, 640756), (3268, 514291), (4636, 362533), (5246, 320378), (8431, 199348), (10492, 160189), (16862, 99674), (33724, 49837)]