876677990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2138239}}^1$

素因数の和:2138287

約数の個数: 16

約数和(自身を含む): 1616509440

約数和(自身を除く): 739831450

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 2138239, 4276478, 10691195, 21382390, 87667799, 175335598, 438338995, 876677990]

約数ペア:

[(1, 876677990), (2, 438338995), (5, 175335598), (10, 87667799), (41, 21382390), (82, 10691195), (205, 4276478), (410, 2138239)]