1640481698

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 2614529280

約数和(自身を除く): 974047582

約数列:

[1, 2, 19, 38, 241, 271, 482, 542, 661, 1322, 4579, 5149, 9158, 10298, 12559, 25118, 65311, 130622, 159301, 179131, 318602, 358262, 1240909, 2481818, 3026719, 3403489, 6053438, 6806978, 43170571, 86341142, 820240849, 1640481698]

約数ペア:

[(1, 1640481698), (2, 820240849), (19, 86341142), (38, 43170571), (241, 6806978), (271, 6053438), (482, 3403489), (542, 3026719), (661, 2481818), (1322, 1240909), (4579, 358262), (5149, 318602), (9158, 179131), (10298, 159301), (12559, 130622), (25118, 65311)]