199879165

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 61394435

約数列:

[1, 5, 29, 31, 53, 145, 155, 265, 839, 899, 1537, 1643, 4195, 4495, 7685, 8215, 24331, 26009, 44467, 47647, 121655, 130045, 222335, 238235, 754261, 1289543, 1378477, 3771305, 6447715, 6892385, 39975833, 199879165]

約数ペア:

[(1, 199879165), (5, 39975833), (29, 6892385), (31, 6447715), (53, 3771305), (145, 1378477), (155, 1289543), (265, 754261), (839, 238235), (899, 222335), (1537, 130045), (1643, 121655), (4195, 47647), (4495, 44467), (7685, 26009), (8215, 24331)]