78421072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 157767680

約数和(自身を除く): 79346608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 223, 248, 446, 496, 709, 892, 1418, 1784, 2836, 3568, 5672, 6913, 11344, 13826, 21979, 27652, 43958, 55304, 87916, 110608, 158107, 175832, 316214, 351664, 632428, 1264856, 2529712, 4901317, 9802634, 19605268, 39210536, 78421072]

約数ペア:

[(1, 78421072), (2, 39210536), (4, 19605268), (8, 9802634), (16, 4901317), (31, 2529712), (62, 1264856), (124, 632428), (223, 351664), (248, 316214), (446, 175832), (496, 158107), (709, 110608), (892, 87916), (1418, 55304), (1784, 43958), (2836, 27652), (3568, 21979), (5672, 13826), (6913, 11344)]