219862405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2417}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 317551104

約数和(自身を除く): 97688699

約数列:

[1, 5, 7, 23, 35, 113, 115, 161, 565, 791, 805, 2417, 2599, 3955, 12085, 12995, 16919, 18193, 55591, 84595, 90965, 273121, 277955, 389137, 1365605, 1911847, 1945685, 6281783, 9559235, 31408915, 43972481, 219862405]

約数ペア:

[(1, 219862405), (5, 43972481), (7, 31408915), (23, 9559235), (35, 6281783), (113, 1945685), (115, 1911847), (161, 1365605), (565, 389137), (791, 277955), (805, 273121), (2417, 90965), (2599, 84595), (3955, 55591), (12085, 18193), (12995, 16919)]