399006002

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2526

約数の個数: 24

約数和(自身を含む): 625467780

約数和(自身を除く): 226461778

約数列:

[1, 2, 37, 61, 74, 122, 1369, 2257, 2389, 2738, 4514, 4778, 83509, 88393, 145729, 167018, 176786, 291458, 3270541, 5391973, 6541082, 10783946, 199503001, 399006002]

約数ペア:

[(1, 399006002), (2, 199503001), (37, 10783946), (61, 6541082), (74, 5391973), (122, 3270541), (1369, 291458), (2257, 176786), (2389, 167018), (2738, 145729), (4514, 88393), (4778, 83509)]