291264008

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 638928000

約数和(自身を除く): 347663992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 149, 268, 298, 469, 521, 536, 596, 938, 1042, 1043, 1192, 1876, 2084, 2086, 3647, 3752, 4168, 4172, 7294, 8344, 9983, 14588, 19966, 29176, 34907, 39932, 69814, 69881, 77629, 79864, 139628, 139762, 155258, 244349, 279256, 279524, 310516, 488698, 543403, 559048, 621032, 977396, 1086806, 1954792, 2173612, 4347224, 5201143, 10402286, 20804572, 36408001, 41609144, 72816002, 145632004, 291264008]

約数ペア:

[(1, 291264008), (2, 145632004), (4, 72816002), (7, 41609144), (8, 36408001), (14, 20804572), (28, 10402286), (56, 5201143), (67, 4347224), (134, 2173612), (149, 1954792), (268, 1086806), (298, 977396), (469, 621032), (521, 559048), (536, 543403), (596, 488698), (938, 310516), (1042, 279524), (1043, 279256), (1192, 244349), (1876, 155258), (2084, 139762), (2086, 139628), (3647, 79864), (3752, 77629), (4168, 69881), (4172, 69814), (7294, 39932), (8344, 34907), (9983, 29176), (14588, 19966)]