15661364999

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1\times {\mathrm{1291}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 18852864000

約数和(自身を除く): 3191499001

約数列:

[1, 7, 23, 151, 161, 499, 1057, 1291, 3473, 3493, 9037, 11477, 24311, 29693, 75349, 80339, 194941, 207851, 527443, 644209, 1364587, 1733027, 4483643, 4509463, 12131189, 14816807, 31385501, 97275559, 103717649, 680928913, 2237337857, 15661364999]

約数ペア:

[(1, 15661364999), (7, 2237337857), (23, 680928913), (151, 103717649), (161, 97275559), (499, 31385501), (1057, 14816807), (1291, 12131189), (3473, 4509463), (3493, 4483643), (9037, 1733027), (11477, 1364587), (24311, 644209), (29693, 527443), (75349, 207851), (80339, 194941)]