3999968

素因数分解:

$2^5\times 7^2\times {\mathrm{2551}}^1$

素因数の和:2575

約数の個数: 36

約数和(自身を含む): 9164232

約数和(自身を除く): 5164264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 2551, 5102, 10204, 17857, 20408, 35714, 40816, 71428, 81632, 124999, 142856, 249998, 285712, 499996, 571424, 999992, 1999984, 3999968]

約数ペア:

[(1, 3999968), (2, 1999984), (4, 999992), (7, 571424), (8, 499996), (14, 285712), (16, 249998), (28, 142856), (32, 124999), (49, 81632), (56, 71428), (98, 40816), (112, 35714), (196, 20408), (224, 17857), (392, 10204), (784, 5102), (1568, 2551)]