212314921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1933}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 280723968

約数和(自身を除く): 68409047

約数列:

[1, 7, 13, 17, 71, 91, 119, 221, 497, 923, 1207, 1547, 1933, 6461, 8449, 13531, 15691, 25129, 32861, 109837, 137243, 175903, 230027, 427193, 960701, 1784159, 2333131, 2990351, 12489113, 16331917, 30330703, 212314921]

約数ペア:

[(1, 212314921), (7, 30330703), (13, 16331917), (17, 12489113), (71, 2990351), (91, 2333131), (119, 1784159), (221, 960701), (497, 427193), (923, 230027), (1207, 175903), (1547, 137243), (1933, 109837), (6461, 32861), (8449, 25129), (13531, 15691)]