1212754991

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{9661}}^1$

素因数の和:9974

約数の個数: 16

約数和(自身を含む): 1409879040

約数和(自身を除く): 197124049

約数列:

[1, 7, 79, 227, 553, 1589, 9661, 17933, 67627, 125531, 763219, 2193047, 5342533, 15351329, 173250713, 1212754991]

約数ペア:

[(1, 1212754991), (7, 173250713), (79, 15351329), (227, 5342533), (553, 2193047), (1589, 763219), (9661, 125531), (17933, 67627)]