71521670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1303}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 140832000

約数和(自身を除く): 69310330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 499, 998, 1303, 2495, 2606, 4990, 5489, 6515, 10978, 13030, 14333, 27445, 28666, 54890, 71665, 143330, 650197, 1300394, 3250985, 6501970, 7152167, 14304334, 35760835, 71521670]

約数ペア:

[(1, 71521670), (2, 35760835), (5, 14304334), (10, 7152167), (11, 6501970), (22, 3250985), (55, 1300394), (110, 650197), (499, 143330), (998, 71665), (1303, 54890), (2495, 28666), (2606, 27445), (4990, 14333), (5489, 13030), (6515, 10978)]