9780212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 36

約数和(自身を含む): 19490436

約数和(自身を除く): 9710224

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 521, 722, 988, 1042, 1444, 2084, 4693, 6773, 9386, 9899, 13546, 18772, 19798, 27092, 39596, 128687, 188081, 257374, 376162, 514748, 752324, 2445053, 4890106, 9780212]

約数ペア:

[(1, 9780212), (2, 4890106), (4, 2445053), (13, 752324), (19, 514748), (26, 376162), (38, 257374), (52, 188081), (76, 128687), (247, 39596), (361, 27092), (494, 19798), (521, 18772), (722, 13546), (988, 9899), (1042, 9386), (1444, 6773), (2084, 4693)]