640787952

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1907107}}^1$

素因数の和:1907125

約数の個数: 40

約数和(自身を含む): 1891851136

約数和(自身を除く): 1251063184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1907107, 3814214, 5721321, 7628428, 11442642, 13349749, 15256856, 22885284, 26699498, 30513712, 40049247, 45770568, 53398996, 80098494, 91541136, 106797992, 160196988, 213595984, 320393976, 640787952]

約数ペア:

[(1, 640787952), (2, 320393976), (3, 213595984), (4, 160196988), (6, 106797992), (7, 91541136), (8, 80098494), (12, 53398996), (14, 45770568), (16, 40049247), (21, 30513712), (24, 26699498), (28, 22885284), (42, 15256856), (48, 13349749), (56, 11442642), (84, 7628428), (112, 5721321), (168, 3814214), (336, 1907107)]