205315312

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1493

約数の個数: 40

約数和(自身を含む): 406323200

約数和(自身を除く): 201007888

約数列:

[1, 2, 4, 8, 16, 79, 127, 158, 254, 316, 508, 632, 1016, 1264, 1279, 2032, 2558, 5116, 10033, 10232, 20066, 20464, 40132, 80264, 101041, 160528, 162433, 202082, 324866, 404164, 649732, 808328, 1299464, 1616656, 2598928, 12832207, 25664414, 51328828, 102657656, 205315312]

約数ペア:

[(1, 205315312), (2, 102657656), (4, 51328828), (8, 25664414), (16, 12832207), (79, 2598928), (127, 1616656), (158, 1299464), (254, 808328), (316, 649732), (508, 404164), (632, 324866), (1016, 202082), (1264, 162433), (1279, 160528), (2032, 101041), (2558, 80264), (5116, 40132), (10033, 20464), (10232, 20066)]