81075664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{733}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 163100672

約数和(自身を除く): 82025008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 223, 248, 446, 496, 733, 892, 1466, 1784, 2932, 3568, 5864, 6913, 11728, 13826, 22723, 27652, 45446, 55304, 90892, 110608, 163459, 181784, 326918, 363568, 653836, 1307672, 2615344, 5067229, 10134458, 20268916, 40537832, 81075664]

約数ペア:

[(1, 81075664), (2, 40537832), (4, 20268916), (8, 10134458), (16, 5067229), (31, 2615344), (62, 1307672), (124, 653836), (223, 363568), (248, 326918), (446, 181784), (496, 163459), (733, 110608), (892, 90892), (1466, 55304), (1784, 45446), (2932, 27652), (3568, 22723), (5864, 13826), (6913, 11728)]