1561526

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 16

約数和(自身を含む): 2434320

約数和(自身を除く): 872794

約数列:

[1, 2, 41, 82, 137, 139, 274, 278, 5617, 5699, 11234, 11398, 19043, 38086, 780763, 1561526]

約数ペア:

[(1, 1561526), (2, 780763), (41, 38086), (82, 19043), (137, 11398), (139, 11234), (274, 5699), (278, 5617)]