220806145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2745

約数の個数: 32

約数和(自身を含む): 317157120

約数和(自身を除く): 96350975

約数列:

[1, 5, 7, 29, 35, 83, 145, 203, 415, 581, 1015, 2407, 2621, 2905, 12035, 13105, 16849, 18347, 76009, 84245, 91735, 217543, 380045, 532063, 1087715, 1522801, 2660315, 6308747, 7614005, 31543735, 44161229, 220806145]

約数ペア:

[(1, 220806145), (5, 44161229), (7, 31543735), (29, 7614005), (35, 6308747), (83, 2660315), (145, 1522801), (203, 1087715), (415, 532063), (581, 380045), (1015, 217543), (2407, 91735), (2621, 84245), (2905, 76009), (12035, 18347), (13105, 16849)]