81241216

素因数分解:

$2^7\times 7^2\times {\mathrm{12953}}^1$

素因数の和:12981

約数の個数: 48

約数和(自身を含む): 188286390

約数和(自身を除く): 107045174

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 12953, 25906, 51812, 90671, 103624, 181342, 207248, 362684, 414496, 634697, 725368, 828992, 1269394, 1450736, 1657984, 2538788, 2901472, 5077576, 5802944, 10155152, 11605888, 20310304, 40620608, 81241216]

約数ペア:

[(1, 81241216), (2, 40620608), (4, 20310304), (7, 11605888), (8, 10155152), (14, 5802944), (16, 5077576), (28, 2901472), (32, 2538788), (49, 1657984), (56, 1450736), (64, 1269394), (98, 828992), (112, 725368), (128, 634697), (196, 414496), (224, 362684), (392, 207248), (448, 181342), (784, 103624), (896, 90671), (1568, 51812), (3136, 25906), (6272, 12953)]