25893998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 22006162

約数列:

[1, 2, 13, 19, 23, 26, 38, 43, 46, 53, 86, 106, 247, 299, 437, 494, 559, 598, 689, 817, 874, 989, 1007, 1118, 1219, 1378, 1634, 1978, 2014, 2279, 2438, 4558, 5681, 10621, 11362, 12857, 13091, 15847, 18791, 21242, 23161, 25714, 26182, 29627, 31694, 37582, 43301, 46322, 52417, 59254, 86602, 104834, 244283, 301093, 488566, 562913, 602186, 681421, 995923, 1125826, 1362842, 1991846, 12946999, 25893998]

約数ペア:

[(1, 25893998), (2, 12946999), (13, 1991846), (19, 1362842), (23, 1125826), (26, 995923), (38, 681421), (43, 602186), (46, 562913), (53, 488566), (86, 301093), (106, 244283), (247, 104834), (299, 86602), (437, 59254), (494, 52417), (559, 46322), (598, 43301), (689, 37582), (817, 31694), (874, 29627), (989, 26182), (1007, 25714), (1118, 23161), (1219, 21242), (1378, 18791), (1634, 15847), (1978, 13091), (2014, 12857), (2279, 11362), (2438, 10621), (4558, 5681)]