81956095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 110799360

約数和(自身を除く): 28843265

約数列:

[1, 5, 13, 31, 65, 89, 155, 403, 445, 457, 1157, 2015, 2285, 2759, 5785, 5941, 13795, 14167, 29705, 35867, 40673, 70835, 179335, 184171, 203365, 528749, 920855, 1260863, 2643745, 6304315, 16391219, 81956095]

約数ペア:

[(1, 81956095), (5, 16391219), (13, 6304315), (31, 2643745), (65, 1260863), (89, 920855), (155, 528749), (403, 203365), (445, 184171), (457, 179335), (1157, 70835), (2015, 40673), (2285, 35867), (2759, 29705), (5785, 14167), (5941, 13795)]