259888937

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 340015104

約数和(自身を除く): 80126167

約数列:

[1, 7, 11, 23, 77, 161, 253, 257, 571, 1771, 1799, 2827, 3997, 5911, 6281, 13133, 19789, 41377, 43967, 65021, 91931, 144463, 146747, 455147, 1011241, 1027229, 1614217, 3375181, 11299519, 23626267, 37126991, 259888937]

約数ペア:

[(1, 259888937), (7, 37126991), (11, 23626267), (23, 11299519), (77, 3375181), (161, 1614217), (253, 1027229), (257, 1011241), (571, 455147), (1771, 146747), (1799, 144463), (2827, 91931), (3997, 65021), (5911, 43967), (6281, 41377), (13133, 19789)]