31657470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81173}}^1$

素因数の和:81196

約数の個数: 32

約数和(自身を含む): 81823392

約数和(自身を除く): 50165922

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81173, 162346, 243519, 405865, 487038, 811730, 1055249, 1217595, 2110498, 2435190, 3165747, 5276245, 6331494, 10552490, 15828735, 31657470]

約数ペア:

[(1, 31657470), (2, 15828735), (3, 10552490), (5, 6331494), (6, 5276245), (10, 3165747), (13, 2435190), (15, 2110498), (26, 1217595), (30, 1055249), (39, 811730), (65, 487038), (78, 405865), (130, 243519), (195, 162346), (390, 81173)]