81538730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89603}}^1$

素因数の和:89630

約数の個数: 32

約数和(自身を含む): 180641664

約数和(自身を除く): 99102934

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 89603, 179206, 448015, 627221, 896030, 1164839, 1254442, 2329678, 3136105, 5824195, 6272210, 8153873, 11648390, 16307746, 40769365, 81538730]

約数ペア:

[(1, 81538730), (2, 40769365), (5, 16307746), (7, 11648390), (10, 8153873), (13, 6272210), (14, 5824195), (26, 3136105), (35, 2329678), (65, 1254442), (70, 1164839), (91, 896030), (130, 627221), (182, 448015), (455, 179206), (910, 89603)]