208207585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 272587680

約数和(自身を除く): 64380095

約数列:

[1, 5, 17, 53, 85, 113, 265, 409, 565, 901, 1921, 2045, 4505, 5989, 6953, 9605, 21677, 29945, 34765, 46217, 101813, 108385, 231085, 368509, 509065, 785689, 1842545, 2449501, 3928445, 12247505, 41641517, 208207585]

約数ペア:

[(1, 208207585), (5, 41641517), (17, 12247505), (53, 3928445), (85, 2449501), (113, 1842545), (265, 785689), (409, 509065), (565, 368509), (901, 231085), (1921, 108385), (2045, 101813), (4505, 46217), (5989, 34765), (6953, 29945), (9605, 21677)]