31028790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79561}}^1$

素因数の和:79584

約数の個数: 32

約数和(自身を含む): 80198496

約数和(自身を除く): 49169706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79561, 159122, 238683, 397805, 477366, 795610, 1034293, 1193415, 2068586, 2386830, 3102879, 5171465, 6205758, 10342930, 15514395, 31028790]

約数ペア:

[(1, 31028790), (2, 15514395), (3, 10342930), (5, 6205758), (6, 5171465), (10, 3102879), (13, 2386830), (15, 2068586), (26, 1193415), (30, 1034293), (39, 795610), (65, 477366), (78, 397805), (130, 238683), (195, 159122), (390, 79561)]