16997968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 35997696

約数和(自身を除く): 18999728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1151, 1846, 2302, 3692, 4604, 7384, 9208, 14768, 14963, 18416, 29926, 59852, 81721, 119704, 163442, 239408, 326884, 653768, 1062373, 1307536, 2124746, 4249492, 8498984, 16997968]

約数ペア:

[(1, 16997968), (2, 8498984), (4, 4249492), (8, 2124746), (13, 1307536), (16, 1062373), (26, 653768), (52, 326884), (71, 239408), (104, 163442), (142, 119704), (208, 81721), (284, 59852), (568, 29926), (923, 18416), (1136, 14963), (1151, 14768), (1846, 9208), (2302, 7384), (3692, 4604)]