42560008

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 81567360

約数和(自身を除く): 39007352

約数列:

[1, 2, 4, 8, 67, 134, 268, 271, 293, 536, 542, 586, 1084, 1172, 2168, 2344, 18157, 19631, 36314, 39262, 72628, 78524, 79403, 145256, 157048, 158806, 317612, 635224, 5320001, 10640002, 21280004, 42560008]

約数ペア:

[(1, 42560008), (2, 21280004), (4, 10640002), (8, 5320001), (67, 635224), (134, 317612), (268, 158806), (271, 157048), (293, 145256), (536, 79403), (542, 78524), (586, 72628), (1084, 39262), (1172, 36314), (2168, 19631), (2344, 18157)]