31389808212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{859}}^1\times {\mathrm{145009}}^1$

素因数の和:145885

約数の個数: 72

約数和(自身を含む): 90787860800

約数和(自身を除く): 59398052588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 859, 1718, 2577, 3436, 5154, 6013, 7731, 10308, 12026, 15462, 18039, 24052, 30924, 36078, 54117, 72156, 108234, 145009, 216468, 290018, 435027, 580036, 870054, 1015063, 1305081, 1740108, 2030126, 2610162, 3045189, 4060252, 5220324, 6090378, 9135567, 12180756, 18271134, 36542268, 124562731, 249125462, 373688193, 498250924, 747376386, 871939117, 1121064579, 1494752772, 1743878234, 2242129158, 2615817351, 3487756468, 4484258316, 5231634702, 7847452053, 10463269404, 15694904106, 31389808212]

約数ペア:

[(1, 31389808212), (2, 15694904106), (3, 10463269404), (4, 7847452053), (6, 5231634702), (7, 4484258316), (9, 3487756468), (12, 2615817351), (14, 2242129158), (18, 1743878234), (21, 1494752772), (28, 1121064579), (36, 871939117), (42, 747376386), (63, 498250924), (84, 373688193), (126, 249125462), (252, 124562731), (859, 36542268), (1718, 18271134), (2577, 12180756), (3436, 9135567), (5154, 6090378), (6013, 5220324), (7731, 4060252), (10308, 3045189), (12026, 2610162), (15462, 2030126), (18039, 1740108), (24052, 1305081), (30924, 1015063), (36078, 870054), (54117, 580036), (72156, 435027), (108234, 290018), (145009, 216468)]