28485288

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{2341}}^1$

素因数の和:2379

約数の個数: 72

約数和(自身を含む): 83574270

約数和(自身を除く): 55088982

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 2341, 3042, 4056, 4682, 6084, 7023, 9364, 12168, 14046, 18728, 21069, 28092, 30433, 42138, 56184, 60866, 84276, 91299, 121732, 168552, 182598, 243464, 273897, 365196, 395629, 547794, 730392, 791258, 1095588, 1186887, 1582516, 2191176, 2373774, 3165032, 3560661, 4747548, 7121322, 9495096, 14242644, 28485288]

約数ペア:

[(1, 28485288), (2, 14242644), (3, 9495096), (4, 7121322), (6, 4747548), (8, 3560661), (9, 3165032), (12, 2373774), (13, 2191176), (18, 1582516), (24, 1186887), (26, 1095588), (36, 791258), (39, 730392), (52, 547794), (72, 395629), (78, 365196), (104, 273897), (117, 243464), (156, 182598), (169, 168552), (234, 121732), (312, 91299), (338, 84276), (468, 60866), (507, 56184), (676, 42138), (936, 30433), (1014, 28092), (1352, 21069), (1521, 18728), (2028, 14046), (2341, 12168), (3042, 9364), (4056, 7023), (4682, 6084)]