64471888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18233}}^1$

素因数の和:18271

約数の個数: 40

約数和(自身を含む): 142444008

約数和(自身を除く): 77972120

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 18233, 36466, 72932, 145864, 237029, 291728, 309961, 474058, 619922, 948116, 1239844, 1896232, 2479688, 3792464, 4029493, 4959376, 8058986, 16117972, 32235944, 64471888]

約数ペア:

[(1, 64471888), (2, 32235944), (4, 16117972), (8, 8058986), (13, 4959376), (16, 4029493), (17, 3792464), (26, 2479688), (34, 1896232), (52, 1239844), (68, 948116), (104, 619922), (136, 474058), (208, 309961), (221, 291728), (272, 237029), (442, 145864), (884, 72932), (1768, 36466), (3536, 18233)]