391138982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{320081}}^1$

素因数の和:320143

約数の個数: 16

約数和(自身を含む): 645285312

約数和(自身を除く): 254146330

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 320081, 640162, 4161053, 8322106, 15043807, 30087614, 195569491, 391138982]

約数ペア:

[(1, 391138982), (2, 195569491), (13, 30087614), (26, 15043807), (47, 8322106), (94, 4161053), (611, 640162), (1222, 320081)]