25225998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 35254002

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 139, 149, 174, 203, 278, 298, 406, 417, 447, 609, 834, 894, 973, 1043, 1218, 1946, 2086, 2919, 3129, 4031, 4321, 5838, 6258, 8062, 8642, 12093, 12963, 20711, 24186, 25926, 28217, 30247, 41422, 56434, 60494, 62133, 84651, 90741, 124266, 144977, 169302, 181482, 289954, 434931, 600619, 869862, 1201238, 1801857, 3603714, 4204333, 8408666, 12612999, 25225998]

約数ペア:

[(1, 25225998), (2, 12612999), (3, 8408666), (6, 4204333), (7, 3603714), (14, 1801857), (21, 1201238), (29, 869862), (42, 600619), (58, 434931), (87, 289954), (139, 181482), (149, 169302), (174, 144977), (203, 124266), (278, 90741), (298, 84651), (406, 62133), (417, 60494), (447, 56434), (609, 41422), (834, 30247), (894, 28217), (973, 25926), (1043, 24186), (1218, 20711), (1946, 12963), (2086, 12093), (2919, 8642), (3129, 8062), (4031, 6258), (4321, 5838)]