389600985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 702777600

約数和(自身を除く): 313176615

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 97, 255, 285, 291, 323, 485, 829, 969, 1455, 1615, 1649, 1843, 2487, 4145, 4845, 4947, 5529, 8245, 9215, 12435, 14093, 15751, 24735, 27645, 31331, 42279, 47253, 70465, 78755, 80413, 93993, 156655, 211395, 236265, 241239, 267767, 402065, 469965, 803301, 1206195, 1338835, 1367021, 1527847, 4016505, 4101063, 4583541, 6835105, 7639235, 20505315, 22917705, 25973399, 77920197, 129866995, 389600985]

約数ペア:

[(1, 389600985), (3, 129866995), (5, 77920197), (15, 25973399), (17, 22917705), (19, 20505315), (51, 7639235), (57, 6835105), (85, 4583541), (95, 4101063), (97, 4016505), (255, 1527847), (285, 1367021), (291, 1338835), (323, 1206195), (485, 803301), (829, 469965), (969, 402065), (1455, 267767), (1615, 241239), (1649, 236265), (1843, 211395), (2487, 156655), (4145, 93993), (4845, 80413), (4947, 78755), (5529, 70465), (8245, 47253), (9215, 42279), (12435, 31331), (14093, 27645), (15751, 24735)]