1687439964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{20088571}}^1$

素因数の和:20088585

約数の個数: 24

約数和(自身を含む): 4499840128

約数和(自身を除く): 2812400164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 20088571, 40177142, 60265713, 80354284, 120531426, 140619997, 241062852, 281239994, 421859991, 562479988, 843719982, 1687439964]

約数ペア:

[(1, 1687439964), (2, 843719982), (3, 562479988), (4, 421859991), (6, 281239994), (7, 241062852), (12, 140619997), (14, 120531426), (21, 80354284), (28, 60265713), (42, 40177142), (84, 20088571)]