320904818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{1063}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 550198656

約数和(自身を除く): 229293838

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 683, 1063, 1366, 2126, 8879, 11611, 13819, 17758, 18071, 23222, 27638, 36142, 150943, 234923, 301886, 469846, 726029, 1452058, 9438377, 12342493, 18876754, 24684986, 160452409, 320904818]

約数ペア:

[(1, 320904818), (2, 160452409), (13, 24684986), (17, 18876754), (26, 12342493), (34, 9438377), (221, 1452058), (442, 726029), (683, 469846), (1063, 301886), (1366, 234923), (2126, 150943), (8879, 36142), (11611, 27638), (13819, 23222), (17758, 18071)]