278767345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{13729}}^1$

素因数の和:13896

約数の個数: 16

約数和(自身を含む): 347973120

約数和(自身を除く): 69205775

約数列:

[1, 5, 31, 131, 155, 655, 4061, 13729, 20305, 68645, 425599, 1798499, 2127995, 8992495, 55753469, 278767345]

約数ペア:

[(1, 278767345), (5, 55753469), (31, 8992495), (131, 2127995), (155, 1798499), (655, 425599), (4061, 68645), (13729, 20305)]