261555588

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1249}}^1$

素因数の和:1546

約数の個数: 96

約数和(自身を含む): 778400000

約数和(自身を除く): 516844412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 277, 378, 554, 756, 831, 1108, 1249, 1662, 1939, 2493, 2498, 3324, 3747, 3878, 4986, 4996, 5817, 7479, 7494, 7756, 8743, 9972, 11241, 11634, 14958, 14988, 17451, 17486, 22482, 23268, 26229, 29916, 33723, 34902, 34972, 44964, 52353, 52458, 67446, 69804, 78687, 104706, 104916, 134892, 157374, 209412, 236061, 314748, 345973, 472122, 691946, 944244, 1037919, 1383892, 2075838, 2421811, 3113757, 4151676, 4843622, 6227514, 7265433, 9341271, 9687244, 12455028, 14530866, 18682542, 21796299, 29061732, 37365084, 43592598, 65388897, 87185196, 130777794, 261555588]

約数ペア:

[(1, 261555588), (2, 130777794), (3, 87185196), (4, 65388897), (6, 43592598), (7, 37365084), (9, 29061732), (12, 21796299), (14, 18682542), (18, 14530866), (21, 12455028), (27, 9687244), (28, 9341271), (36, 7265433), (42, 6227514), (54, 4843622), (63, 4151676), (84, 3113757), (108, 2421811), (126, 2075838), (189, 1383892), (252, 1037919), (277, 944244), (378, 691946), (554, 472122), (756, 345973), (831, 314748), (1108, 236061), (1249, 209412), (1662, 157374), (1939, 134892), (2493, 104916), (2498, 104706), (3324, 78687), (3747, 69804), (3878, 67446), (4986, 52458), (4996, 52353), (5817, 44964), (7479, 34972), (7494, 34902), (7756, 33723), (8743, 29916), (9972, 26229), (11241, 23268), (11634, 22482), (14958, 17486), (14988, 17451)]