15991664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{76883}}^1$

素因数の和:76904

約数の個数: 20

約数和(自身を含む): 33367656

約数和(自身を除く): 17375992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 76883, 153766, 307532, 615064, 999479, 1230128, 1998958, 3997916, 7995832, 15991664]

約数ペア:

[(1, 15991664), (2, 7995832), (4, 3997916), (8, 1998958), (13, 1230128), (16, 999479), (26, 615064), (52, 307532), (104, 153766), (208, 76883)]