78840254

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 130470912

約数和(自身を除く): 51630658

約数列:

[1, 2, 17, 31, 34, 62, 131, 262, 527, 571, 1054, 1142, 2227, 4061, 4454, 8122, 9707, 17701, 19414, 35402, 69037, 74801, 138074, 149602, 300917, 601834, 1271617, 2318831, 2543234, 4637662, 39420127, 78840254]

約数ペア:

[(1, 78840254), (2, 39420127), (17, 4637662), (31, 2543234), (34, 2318831), (62, 1271617), (131, 601834), (262, 300917), (527, 149602), (571, 138074), (1054, 74801), (1142, 69037), (2227, 35402), (4061, 19414), (4454, 17701), (8122, 9707)]