981234385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 1259274240

約数和(自身を除く): 278039855

約数列:

[1, 5, 19, 95, 127, 167, 487, 635, 835, 2413, 2435, 3173, 9253, 12065, 15865, 21209, 46265, 61849, 81329, 106045, 309245, 402971, 406645, 1175131, 1545251, 2014855, 5875655, 7726255, 10328783, 51643915, 196246877, 981234385]

約数ペア:

[(1, 981234385), (5, 196246877), (19, 51643915), (95, 10328783), (127, 7726255), (167, 5875655), (487, 2014855), (635, 1545251), (835, 1175131), (2413, 406645), (2435, 402971), (3173, 309245), (9253, 106045), (12065, 81329), (15865, 61849), (21209, 46265)]