81706744

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7639}}^1$

素因数の和:7843

約数の個数: 32

約数和(自身を含む): 176025600

約数和(自身を除く): 94318856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 7639, 10696, 15278, 30556, 53473, 61112, 106946, 213892, 427784, 1459049, 2918098, 5836196, 10213343, 11672392, 20426686, 40853372, 81706744]

約数ペア:

[(1, 81706744), (2, 40853372), (4, 20426686), (7, 11672392), (8, 10213343), (14, 5836196), (28, 2918098), (56, 1459049), (191, 427784), (382, 213892), (764, 106946), (1337, 61112), (1528, 53473), (2674, 30556), (5348, 15278), (7639, 10696)]