197520918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2801}}^1$

素因数の和:2909

約数の個数: 64

約数和(自身を含む): 477729792

約数和(自身を除く): 280208874

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 73, 138, 146, 161, 219, 322, 438, 483, 511, 966, 1022, 1533, 1679, 2801, 3066, 3358, 5037, 5602, 8403, 10074, 11753, 16806, 19607, 23506, 35259, 39214, 58821, 64423, 70518, 117642, 128846, 193269, 204473, 386538, 408946, 450961, 613419, 901922, 1226838, 1352883, 1431311, 2705766, 2862622, 4293933, 4702879, 8587866, 9405758, 14108637, 28217274, 32920153, 65840306, 98760459, 197520918]

約数ペア:

[(1, 197520918), (2, 98760459), (3, 65840306), (6, 32920153), (7, 28217274), (14, 14108637), (21, 9405758), (23, 8587866), (42, 4702879), (46, 4293933), (69, 2862622), (73, 2705766), (138, 1431311), (146, 1352883), (161, 1226838), (219, 901922), (322, 613419), (438, 450961), (483, 408946), (511, 386538), (966, 204473), (1022, 193269), (1533, 128846), (1679, 117642), (2801, 70518), (3066, 64423), (3358, 58821), (5037, 39214), (5602, 35259), (8403, 23506), (10074, 19607), (11753, 16806)]