1280118490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18287407}}^1$

素因数の和:18287421

約数の個数: 16

約数和(自身を含む): 2633386752

約数和(自身を除く): 1353268262

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 18287407, 36574814, 91437035, 128011849, 182874070, 256023698, 640059245, 1280118490]

約数ペア:

[(1, 1280118490), (2, 640059245), (5, 256023698), (7, 182874070), (10, 128011849), (14, 91437035), (35, 36574814), (70, 18287407)]