1213219777

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 1549211904

約数和(自身を除く): 335992127

約数列:

[1, 7, 11, 73, 77, 101, 511, 707, 803, 1111, 2137, 5621, 7373, 7777, 14959, 23507, 51611, 81103, 156001, 164549, 215837, 567721, 1092007, 1510859, 1716011, 2374207, 12012077, 15756101, 16619449, 110292707, 173317111, 1213219777]

約数ペア:

[(1, 1213219777), (7, 173317111), (11, 110292707), (73, 16619449), (77, 15756101), (101, 12012077), (511, 2374207), (707, 1716011), (803, 1510859), (1111, 1092007), (2137, 567721), (5621, 215837), (7373, 164549), (7777, 156001), (14959, 81103), (23507, 51611)]