64724855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 86788800

約数和(自身を除く): 22063945

約数列:

[1, 5, 13, 41, 65, 149, 163, 205, 533, 745, 815, 1937, 2119, 2665, 6109, 6683, 9685, 10595, 24287, 30545, 33415, 79417, 86879, 121435, 315731, 397085, 434395, 995767, 1578655, 4978835, 12944971, 64724855]

約数ペア:

[(1, 64724855), (5, 12944971), (13, 4978835), (41, 1578655), (65, 995767), (149, 434395), (163, 397085), (205, 315731), (533, 121435), (745, 86879), (815, 79417), (1937, 33415), (2119, 30545), (2665, 24287), (6109, 10595), (6683, 9685)]