289905986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{23497}}^1$

素因数の和:23729

約数の個数: 16

約数和(自身を含む): 451161600

約数和(自身を除く): 161255614

約数列:

[1, 2, 31, 62, 199, 398, 6169, 12338, 23497, 46994, 728407, 1456814, 4675903, 9351806, 144952993, 289905986]

約数ペア:

[(1, 289905986), (2, 144952993), (31, 9351806), (62, 4675903), (199, 1456814), (398, 728407), (6169, 46994), (12338, 23497)]