289399266

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{17419}}^1$

素因数の和:17511

約数の個数: 48

約数和(自身を含む): 684815040

約数和(自身を除く): 395415774

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 17419, 34838, 52257, 104514, 156771, 226447, 313542, 452894, 679341, 1236749, 1358682, 2038023, 2473498, 3710247, 4076046, 7420494, 11130741, 16077737, 22261482, 32155474, 48233211, 96466422, 144699633, 289399266]

約数ペア:

[(1, 289399266), (2, 144699633), (3, 96466422), (6, 48233211), (9, 32155474), (13, 22261482), (18, 16077737), (26, 11130741), (39, 7420494), (71, 4076046), (78, 3710247), (117, 2473498), (142, 2038023), (213, 1358682), (234, 1236749), (426, 679341), (639, 452894), (923, 313542), (1278, 226447), (1846, 156771), (2769, 104514), (5538, 52257), (8307, 34838), (16614, 17419)]