209215774

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{19861}}^1$

素因数の和:20115

約数の個数: 16

約数和(自身を含む): 328914720

約数和(自身を除く): 119698946

約数列:

[1, 2, 23, 46, 229, 458, 5267, 10534, 19861, 39722, 456803, 913606, 4548169, 9096338, 104607887, 209215774]

約数ペア:

[(1, 209215774), (2, 104607887), (23, 9096338), (46, 4548169), (229, 913606), (458, 456803), (5267, 39722), (10534, 19861)]