78871088

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 156396240

約数和(自身を除く): 77525152

約数列:

[1, 2, 4, 8, 16, 89, 97, 178, 194, 356, 388, 571, 712, 776, 1142, 1424, 1552, 2284, 4568, 8633, 9136, 17266, 34532, 50819, 55387, 69064, 101638, 110774, 138128, 203276, 221548, 406552, 443096, 813104, 886192, 4929443, 9858886, 19717772, 39435544, 78871088]

約数ペア:

[(1, 78871088), (2, 39435544), (4, 19717772), (8, 9858886), (16, 4929443), (89, 886192), (97, 813104), (178, 443096), (194, 406552), (356, 221548), (388, 203276), (571, 138128), (712, 110774), (776, 101638), (1142, 69064), (1424, 55387), (1552, 50819), (2284, 34532), (4568, 17266), (8633, 9136)]