15661792976

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{12390659}}^1$

素因数の和:12390746

約数の個数: 20

約数和(自身を含む): 30728836800

約数和(自身を除く): 15067043824

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 12390659, 24781318, 49562636, 99125272, 198250544, 978862061, 1957724122, 3915448244, 7830896488, 15661792976]

約数ペア:

[(1, 15661792976), (2, 7830896488), (4, 3915448244), (8, 1957724122), (16, 978862061), (79, 198250544), (158, 99125272), (316, 49562636), (632, 24781318), (1264, 12390659)]