161947513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 208454400

約数和(自身を除く): 46506887

約数列:

[1, 7, 13, 29, 91, 109, 203, 377, 563, 763, 1417, 2639, 3161, 3941, 7319, 9919, 16327, 22127, 41093, 51233, 61367, 114289, 212251, 287651, 429569, 797771, 1485757, 1779643, 5584397, 12457501, 23135359, 161947513]

約数ペア:

[(1, 161947513), (7, 23135359), (13, 12457501), (29, 5584397), (91, 1779643), (109, 1485757), (203, 797771), (377, 429569), (563, 287651), (763, 212251), (1417, 114289), (2639, 61367), (3161, 51233), (3941, 41093), (7319, 22127), (9919, 16327)]