81739312

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 164433920

約数和(自身を除く): 82694608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 223, 248, 446, 496, 739, 892, 1478, 1784, 2956, 3568, 5912, 6913, 11824, 13826, 22909, 27652, 45818, 55304, 91636, 110608, 164797, 183272, 329594, 366544, 659188, 1318376, 2636752, 5108707, 10217414, 20434828, 40869656, 81739312]

約数ペア:

[(1, 81739312), (2, 40869656), (4, 20434828), (8, 10217414), (16, 5108707), (31, 2636752), (62, 1318376), (124, 659188), (223, 366544), (248, 329594), (446, 183272), (496, 164797), (739, 110608), (892, 91636), (1478, 55304), (1784, 45818), (2956, 27652), (3568, 22909), (5912, 13826), (6913, 11824)]