131567968

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18947}}^1$

素因数の和:18995

約数の個数: 48

約数和(自身を含む): 305593344

約数和(自身を除く): 174025376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 18947, 37894, 75788, 132629, 151576, 265258, 303152, 530516, 587357, 606304, 1061032, 1174714, 2122064, 2349428, 4111499, 4244128, 4698856, 8222998, 9397712, 16445996, 18795424, 32891992, 65783984, 131567968]

約数ペア:

[(1, 131567968), (2, 65783984), (4, 32891992), (7, 18795424), (8, 16445996), (14, 9397712), (16, 8222998), (28, 4698856), (31, 4244128), (32, 4111499), (56, 2349428), (62, 2122064), (112, 1174714), (124, 1061032), (217, 606304), (224, 587357), (248, 530516), (434, 303152), (496, 265258), (868, 151576), (992, 132629), (1736, 75788), (3472, 37894), (6944, 18947)]