389636838

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 979776000

約数和(自身を除く): 590139162

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 89, 102, 114, 153, 171, 178, 251, 267, 306, 323, 342, 459, 502, 513, 534, 646, 753, 801, 918, 969, 1026, 1506, 1513, 1602, 1691, 1938, 2259, 2403, 2907, 3026, 3382, 4267, 4518, 4539, 4769, 4806, 5073, 5814, 6777, 8534, 8721, 9078, 9538, 10146, 12801, 13554, 13617, 14307, 15219, 17442, 22339, 25602, 27234, 28614, 28747, 30438, 38403, 40851, 42921, 44678, 45657, 57494, 67017, 76806, 81073, 81702, 85842, 86241, 91314, 115209, 128763, 134034, 162146, 172482, 201051, 230418, 243219, 257526, 258723, 379763, 402102, 424441, 486438, 517446, 603153, 729657, 759526, 776169, 848882, 1139289, 1206306, 1273323, 1459314, 1552338, 2188971, 2278578, 2546646, 3417867, 3819969, 4377942, 6835734, 7215497, 7639938, 10253601, 11459907, 14430994, 20507202, 21646491, 22919814, 43292982, 64939473, 129878946, 194818419, 389636838]

約数ペア:

[(1, 389636838), (2, 194818419), (3, 129878946), (6, 64939473), (9, 43292982), (17, 22919814), (18, 21646491), (19, 20507202), (27, 14430994), (34, 11459907), (38, 10253601), (51, 7639938), (54, 7215497), (57, 6835734), (89, 4377942), (102, 3819969), (114, 3417867), (153, 2546646), (171, 2278578), (178, 2188971), (251, 1552338), (267, 1459314), (306, 1273323), (323, 1206306), (342, 1139289), (459, 848882), (502, 776169), (513, 759526), (534, 729657), (646, 603153), (753, 517446), (801, 486438), (918, 424441), (969, 402102), (1026, 379763), (1506, 258723), (1513, 257526), (1602, 243219), (1691, 230418), (1938, 201051), (2259, 172482), (2403, 162146), (2907, 134034), (3026, 128763), (3382, 115209), (4267, 91314), (4518, 86241), (4539, 85842), (4769, 81702), (4806, 81073), (5073, 76806), (5814, 67017), (6777, 57494), (8534, 45657), (8721, 44678), (9078, 42921), (9538, 40851), (10146, 38403), (12801, 30438), (13554, 28747), (13617, 28614), (14307, 27234), (15219, 25602), (17442, 22339)]