221435732

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 452874240

約数和(自身を除く): 231438508

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 311, 413, 431, 622, 826, 862, 1244, 1652, 1724, 2177, 3017, 4354, 6034, 8708, 12068, 18349, 25429, 36698, 50858, 73396, 101716, 128443, 134041, 178003, 256886, 268082, 356006, 513772, 536164, 712012, 938287, 1876574, 3753148, 7908419, 15816838, 31633676, 55358933, 110717866, 221435732]

約数ペア:

[(1, 221435732), (2, 110717866), (4, 55358933), (7, 31633676), (14, 15816838), (28, 7908419), (59, 3753148), (118, 1876574), (236, 938287), (311, 712012), (413, 536164), (431, 513772), (622, 356006), (826, 268082), (862, 256886), (1244, 178003), (1652, 134041), (1724, 128443), (2177, 101716), (3017, 73396), (4354, 50858), (6034, 36698), (8708, 25429), (12068, 18349)]