31980886

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{17987}}^1$

素因数の和:18123

約数の個数: 16

約数和(自身を含む): 55259136

約数和(自身を除く): 23278250

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 17987, 35974, 125909, 251818, 2284349, 4568698, 15990443, 31980886]

約数ペア:

[(1, 31980886), (2, 15990443), (7, 4568698), (14, 2284349), (127, 251818), (254, 125909), (889, 35974), (1778, 17987)]