397393958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{215273}}^1$

素因数の和:215359

約数の個数: 16

約数和(自身を含む): 650988576

約数和(自身を除く): 253594618

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 215273, 430546, 2798549, 5597098, 15284383, 30568766, 198696979, 397393958]

約数ペア:

[(1, 397393958), (2, 198696979), (13, 30568766), (26, 15284383), (71, 5597098), (142, 2798549), (923, 430546), (1846, 215273)]