81516112

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 164275200

約数和(自身を除く): 82759088

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 149, 248, 298, 496, 596, 1103, 1192, 2206, 2384, 4412, 4619, 8824, 9238, 17648, 18476, 34193, 36952, 68386, 73904, 136772, 164347, 273544, 328694, 547088, 657388, 1314776, 2629552, 5094757, 10189514, 20379028, 40758056, 81516112]

約数ペア:

[(1, 81516112), (2, 40758056), (4, 20379028), (8, 10189514), (16, 5094757), (31, 2629552), (62, 1314776), (124, 657388), (149, 547088), (248, 328694), (298, 273544), (496, 164347), (596, 136772), (1103, 73904), (1192, 68386), (2206, 36952), (2384, 34193), (4412, 18476), (4619, 17648), (8824, 9238)]