28612974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 37915026

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 78, 86, 114, 129, 247, 258, 449, 494, 559, 741, 817, 898, 1118, 1347, 1482, 1634, 1677, 2451, 2694, 3354, 4902, 5837, 8531, 10621, 11674, 17062, 17511, 19307, 21242, 25593, 31863, 35022, 38614, 51186, 57921, 63726, 110903, 115842, 221806, 250991, 332709, 366833, 501982, 665418, 733666, 752973, 1100499, 1505946, 2200998, 4768829, 9537658, 14306487, 28612974]

約数ペア:

[(1, 28612974), (2, 14306487), (3, 9537658), (6, 4768829), (13, 2200998), (19, 1505946), (26, 1100499), (38, 752973), (39, 733666), (43, 665418), (57, 501982), (78, 366833), (86, 332709), (114, 250991), (129, 221806), (247, 115842), (258, 110903), (449, 63726), (494, 57921), (559, 51186), (741, 38614), (817, 35022), (898, 31863), (1118, 25593), (1347, 21242), (1482, 19307), (1634, 17511), (1677, 17062), (2451, 11674), (2694, 10621), (3354, 8531), (4902, 5837)]