840720386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{164011}}^1$

素因数の和:164257

約数の個数: 16

約数和(自身を含む): 1381637088

約数和(自身を除く): 540916702

約数列:

[1, 2, 11, 22, 233, 466, 2563, 5126, 164011, 328022, 1804121, 3608242, 38214563, 76429126, 420360193, 840720386]

約数ペア:

[(1, 840720386), (2, 420360193), (11, 76429126), (22, 38214563), (233, 3608242), (466, 1804121), (2563, 328022), (5126, 164011)]