28797670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{673}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 56777760

約数和(自身を除く): 27980090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 673, 778, 1346, 1945, 3365, 3890, 4279, 6730, 7403, 8558, 14806, 21395, 37015, 42790, 74030, 261797, 523594, 1308985, 2617970, 2879767, 5759534, 14398835, 28797670]

約数ペア:

[(1, 28797670), (2, 14398835), (5, 5759534), (10, 2879767), (11, 2617970), (22, 1308985), (55, 523594), (110, 261797), (389, 74030), (673, 42790), (778, 37015), (1346, 21395), (1945, 14806), (3365, 8558), (3890, 7403), (4279, 6730)]