820059905

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{3803}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 1154711808

約数和(自身を除く): 334651903

約数列:

[1, 5, 7, 35, 61, 101, 305, 427, 505, 707, 2135, 3535, 3803, 6161, 19015, 26621, 30805, 43127, 133105, 215635, 231983, 384103, 1159915, 1623881, 1920515, 2688721, 8119405, 13443605, 23430283, 117151415, 164011981, 820059905]

約数ペア:

[(1, 820059905), (5, 164011981), (7, 117151415), (35, 23430283), (61, 13443605), (101, 8119405), (305, 2688721), (427, 1920515), (505, 1623881), (707, 1159915), (2135, 384103), (3535, 231983), (3803, 215635), (6161, 133105), (19015, 43127), (26621, 30805)]