81969218

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1\times {\mathrm{907}}^1$

素因数の和:1601

約数の個数: 16

約数和(自身を含む): 124977120

約数和(自身を除く): 43007902

約数列:

[1, 2, 73, 146, 619, 907, 1238, 1814, 45187, 66211, 90374, 132422, 561433, 1122866, 40984609, 81969218]

約数ペア:

[(1, 81969218), (2, 40984609), (73, 1122866), (146, 561433), (619, 132422), (907, 90374), (1238, 66211), (1814, 45187)]