25378276

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 57456000

約数和(自身を除く): 32077724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 79, 98, 149, 154, 158, 196, 298, 308, 316, 539, 553, 596, 869, 1043, 1078, 1106, 1639, 1738, 2086, 2156, 2212, 3278, 3476, 3871, 4172, 6083, 6556, 7301, 7742, 11473, 11771, 12166, 14602, 15484, 22946, 23542, 24332, 29204, 42581, 45892, 47084, 80311, 82397, 85162, 129481, 160622, 164794, 170324, 258962, 321244, 329588, 517924, 576779, 906367, 1153558, 1812734, 2307116, 3625468, 6344569, 12689138, 25378276]

約数ペア:

[(1, 25378276), (2, 12689138), (4, 6344569), (7, 3625468), (11, 2307116), (14, 1812734), (22, 1153558), (28, 906367), (44, 576779), (49, 517924), (77, 329588), (79, 321244), (98, 258962), (149, 170324), (154, 164794), (158, 160622), (196, 129481), (298, 85162), (308, 82397), (316, 80311), (539, 47084), (553, 45892), (596, 42581), (869, 29204), (1043, 24332), (1078, 23542), (1106, 22946), (1639, 15484), (1738, 14602), (2086, 12166), (2156, 11771), (2212, 11473), (3278, 7742), (3476, 7301), (3871, 6556), (4172, 6083)]