78243305

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 111939840

約数和(自身を除く): 33696535

約数列:

[1, 5, 7, 29, 35, 145, 157, 203, 491, 785, 1015, 1099, 2455, 3437, 4553, 5495, 14239, 17185, 22765, 31871, 71195, 77087, 99673, 159355, 385435, 498365, 539609, 2235523, 2698045, 11177615, 15648661, 78243305]

約数ペア:

[(1, 78243305), (5, 15648661), (7, 11177615), (29, 2698045), (35, 2235523), (145, 539609), (157, 498365), (203, 385435), (491, 159355), (785, 99673), (1015, 77087), (1099, 71195), (2455, 31871), (3437, 22765), (4553, 17185), (5495, 14239)]