28205652

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 73737216

約数和(自身を除く): 45531564

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 361, 383, 646, 722, 766, 969, 1083, 1149, 1292, 1444, 1532, 1938, 2166, 2298, 3876, 4332, 4596, 6137, 6511, 7277, 12274, 13022, 14554, 18411, 19533, 21831, 24548, 26044, 29108, 36822, 39066, 43662, 73644, 78132, 87324, 123709, 138263, 247418, 276526, 371127, 414789, 494836, 553052, 742254, 829578, 1484508, 1659156, 2350471, 4700942, 7051413, 9401884, 14102826, 28205652]

約数ペア:

[(1, 28205652), (2, 14102826), (3, 9401884), (4, 7051413), (6, 4700942), (12, 2350471), (17, 1659156), (19, 1484508), (34, 829578), (38, 742254), (51, 553052), (57, 494836), (68, 414789), (76, 371127), (102, 276526), (114, 247418), (204, 138263), (228, 123709), (323, 87324), (361, 78132), (383, 73644), (646, 43662), (722, 39066), (766, 36822), (969, 29108), (1083, 26044), (1149, 24548), (1292, 21831), (1444, 19533), (1532, 18411), (1938, 14554), (2166, 13022), (2298, 12274), (3876, 7277), (4332, 6511), (4596, 6137)]