68781386

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{4133}}^1$

素因数の和:4345

約数の個数: 16

約数和(自身を含む): 105813864

約数和(自身を除く): 37032478

約数列:

[1, 2, 53, 106, 157, 314, 4133, 8266, 8321, 16642, 219049, 438098, 648881, 1297762, 34390693, 68781386]

約数ペア:

[(1, 68781386), (2, 34390693), (53, 1297762), (106, 648881), (157, 438098), (314, 219049), (4133, 16642), (8266, 8321)]