191249905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1277}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 287089920

約数和(自身を除く): 95840015

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 389, 1277, 1945, 2723, 4279, 6385, 8939, 13615, 14047, 21395, 29953, 44695, 70235, 98329, 149765, 491645, 496753, 2483765, 3477271, 5464283, 17386355, 27321415, 38249981, 191249905]

約数ペア:

[(1, 191249905), (5, 38249981), (7, 27321415), (11, 17386355), (35, 5464283), (55, 3477271), (77, 2483765), (385, 496753), (389, 491645), (1277, 149765), (1945, 98329), (2723, 70235), (4279, 44695), (6385, 29953), (8939, 21395), (13615, 14047)]