28440378

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 65445120

約数和(自身を除く): 37004742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 411, 607, 822, 1214, 1233, 1821, 2466, 2603, 3642, 5206, 5463, 7809, 10926, 11533, 15618, 23066, 23427, 34599, 46854, 69198, 83159, 103797, 166318, 207594, 249477, 498954, 748431, 1496862, 1580021, 3160042, 4740063, 9480126, 14220189, 28440378]

約数ペア:

[(1, 28440378), (2, 14220189), (3, 9480126), (6, 4740063), (9, 3160042), (18, 1580021), (19, 1496862), (38, 748431), (57, 498954), (114, 249477), (137, 207594), (171, 166318), (274, 103797), (342, 83159), (411, 69198), (607, 46854), (822, 34599), (1214, 23427), (1233, 23066), (1821, 15618), (2466, 11533), (2603, 10926), (3642, 7809), (5206, 5463)]