620956

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 1264256

約数和(自身を除く): 643300

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 331, 469, 662, 938, 1324, 1876, 2317, 4634, 9268, 22177, 44354, 88708, 155239, 310478, 620956]

約数ペア:

[(1, 620956), (2, 310478), (4, 155239), (7, 88708), (14, 44354), (28, 22177), (67, 9268), (134, 4634), (268, 2317), (331, 1876), (469, 1324), (662, 938)]