420120218

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{252173}}^1$

素因数の和:252206

約数の個数: 24

約数和(自身を含む): 776191572

約数和(自身を除く): 356071354

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 252173, 504346, 1765211, 3530422, 4286941, 8573882, 12356477, 24712954, 30008587, 60017174, 210060109, 420120218]

約数ペア:

[(1, 420120218), (2, 210060109), (7, 60017174), (14, 30008587), (17, 24712954), (34, 12356477), (49, 8573882), (98, 4286941), (119, 3530422), (238, 1765211), (833, 504346), (1666, 252173)]