12870828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 35409920

約数和(自身を除く): 22539092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 607, 684, 1116, 1178, 1214, 1767, 1821, 2356, 2428, 3534, 3642, 5301, 5463, 7068, 7284, 10602, 10926, 11533, 18817, 21204, 21852, 23066, 34599, 37634, 46132, 56451, 69198, 75268, 103797, 112902, 138396, 169353, 207594, 225804, 338706, 357523, 415188, 677412, 715046, 1072569, 1430092, 2145138, 3217707, 4290276, 6435414, 12870828]

約数ペア:

[(1, 12870828), (2, 6435414), (3, 4290276), (4, 3217707), (6, 2145138), (9, 1430092), (12, 1072569), (18, 715046), (19, 677412), (31, 415188), (36, 357523), (38, 338706), (57, 225804), (62, 207594), (76, 169353), (93, 138396), (114, 112902), (124, 103797), (171, 75268), (186, 69198), (228, 56451), (279, 46132), (342, 37634), (372, 34599), (558, 23066), (589, 21852), (607, 21204), (684, 18817), (1116, 11533), (1178, 10926), (1214, 10602), (1767, 7284), (1821, 7068), (2356, 5463), (2428, 5301), (3534, 3642)]