218451208

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{75641}}^1$

素因数の和:75685

約数の個数: 24

約数和(自身を含む): 432294030

約数和(自身を除く): 213842822

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 75641, 151282, 302564, 605128, 1437179, 2874358, 5748716, 11497432, 27306401, 54612802, 109225604, 218451208]

約数ペア:

[(1, 218451208), (2, 109225604), (4, 54612802), (8, 27306401), (19, 11497432), (38, 5748716), (76, 2874358), (152, 1437179), (361, 605128), (722, 302564), (1444, 151282), (2888, 75641)]