84640195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 111585600

約数和(自身を除く): 26945405

約数列:

[1, 5, 17, 41, 85, 149, 163, 205, 697, 745, 815, 2533, 2771, 3485, 6109, 6683, 12665, 13855, 24287, 30545, 33415, 103853, 113611, 121435, 412879, 519265, 568055, 995767, 2064395, 4978835, 16928039, 84640195]

約数ペア:

[(1, 84640195), (5, 16928039), (17, 4978835), (41, 2064395), (85, 995767), (149, 568055), (163, 519265), (205, 412879), (697, 121435), (745, 113611), (815, 103853), (2533, 33415), (2771, 30545), (3485, 24287), (6109, 13855), (6683, 12665)]