256098906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{17987}}^1$

素因数の和:18115

約数の個数: 48

約数和(自身を含む): 639797184

約数和(自身を除く): 383698278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1582, 2034, 2373, 4746, 7119, 14238, 17987, 35974, 53961, 107922, 125909, 161883, 251818, 323766, 377727, 755454, 1133181, 2032531, 2266362, 4065062, 6097593, 12195186, 14227717, 18292779, 28455434, 36585558, 42683151, 85366302, 128049453, 256098906]

約数ペア:

[(1, 256098906), (2, 128049453), (3, 85366302), (6, 42683151), (7, 36585558), (9, 28455434), (14, 18292779), (18, 14227717), (21, 12195186), (42, 6097593), (63, 4065062), (113, 2266362), (126, 2032531), (226, 1133181), (339, 755454), (678, 377727), (791, 323766), (1017, 251818), (1582, 161883), (2034, 125909), (2373, 107922), (4746, 53961), (7119, 35974), (14238, 17987)]