120904399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 158505984

約数和(自身を除く): 37601585

約数列:

[1, 7, 11, 23, 77, 161, 233, 253, 293, 1631, 1771, 2051, 2563, 3223, 5359, 6739, 17941, 22561, 37513, 47173, 58949, 68269, 74129, 412643, 477883, 518903, 750959, 1570187, 5256713, 10991309, 17272057, 120904399]

約数ペア:

[(1, 120904399), (7, 17272057), (11, 10991309), (23, 5256713), (77, 1570187), (161, 750959), (233, 518903), (253, 477883), (293, 412643), (1631, 74129), (1771, 68269), (2051, 58949), (2563, 47173), (3223, 37513), (5359, 22561), (6739, 17941)]