218590967

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{7541}}^1$

素因数の和:7690

約数の個数: 16

約数和(自身を含む): 258479424

約数和(自身を除く): 39888457

約数列:

[1, 7, 41, 101, 287, 707, 4141, 7541, 28987, 52787, 309181, 761641, 2164267, 5331487, 31227281, 218590967]

約数ペア:

[(1, 218590967), (7, 31227281), (41, 5331487), (101, 2164267), (287, 761641), (707, 309181), (4141, 52787), (7541, 28987)]