31103090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{39371}}^1$

素因数の和:39457

約数の個数: 16

約数和(自身を含む): 56695680

約数和(自身を除く): 25592590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 39371, 78742, 196855, 393710, 3110309, 6220618, 15551545, 31103090]

約数ペア:

[(1, 31103090), (2, 15551545), (5, 6220618), (10, 3110309), (79, 393710), (158, 196855), (395, 78742), (790, 39371)]