257773516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:600

約数の個数: 144

約数和(自身を含む): 653964192

約数和(自身を除く): 396190676

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 49, 52, 68, 77, 91, 98, 119, 143, 154, 182, 187, 196, 221, 238, 286, 308, 364, 374, 442, 476, 539, 541, 572, 637, 748, 833, 884, 1001, 1078, 1082, 1274, 1309, 1547, 1666, 2002, 2156, 2164, 2431, 2548, 2618, 3094, 3332, 3787, 4004, 4862, 5236, 5951, 6188, 7007, 7033, 7574, 9163, 9197, 9724, 10829, 11902, 14014, 14066, 15148, 17017, 18326, 18394, 21658, 23804, 26509, 28028, 28132, 34034, 36652, 36788, 41657, 43316, 49231, 53018, 64379, 68068, 77363, 83314, 98462, 101167, 106036, 119119, 119561, 128758, 154726, 166628, 196924, 202334, 238238, 239122, 257516, 291599, 309452, 344617, 404668, 450653, 476476, 478244, 541541, 583198, 689234, 708169, 836927, 901306, 1083082, 1166396, 1315171, 1378468, 1416338, 1673854, 1802612, 2166164, 2630342, 2832676, 3347708, 3790787, 4957183, 5260684, 5858489, 7581574, 9206197, 9914366, 11716978, 15163148, 18412394, 19828732, 23433956, 36824788, 64443379, 128886758, 257773516]

約数ペア:

[(1, 257773516), (2, 128886758), (4, 64443379), (7, 36824788), (11, 23433956), (13, 19828732), (14, 18412394), (17, 15163148), (22, 11716978), (26, 9914366), (28, 9206197), (34, 7581574), (44, 5858489), (49, 5260684), (52, 4957183), (68, 3790787), (77, 3347708), (91, 2832676), (98, 2630342), (119, 2166164), (143, 1802612), (154, 1673854), (182, 1416338), (187, 1378468), (196, 1315171), (221, 1166396), (238, 1083082), (286, 901306), (308, 836927), (364, 708169), (374, 689234), (442, 583198), (476, 541541), (539, 478244), (541, 476476), (572, 450653), (637, 404668), (748, 344617), (833, 309452), (884, 291599), (1001, 257516), (1078, 239122), (1082, 238238), (1274, 202334), (1309, 196924), (1547, 166628), (1666, 154726), (2002, 128758), (2156, 119561), (2164, 119119), (2431, 106036), (2548, 101167), (2618, 98462), (3094, 83314), (3332, 77363), (3787, 68068), (4004, 64379), (4862, 53018), (5236, 49231), (5951, 43316), (6188, 41657), (7007, 36788), (7033, 36652), (7574, 34034), (9163, 28132), (9197, 28028), (9724, 26509), (10829, 23804), (11902, 21658), (14014, 18394), (14066, 18326), (15148, 17017)]