289380049

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{1031}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 335160576

約数和(自身を除く): 45780527

約数列:

[1, 7, 101, 397, 707, 1031, 2779, 7217, 40097, 104131, 280679, 409307, 728917, 2865149, 41340007, 289380049]

約数ペア:

[(1, 289380049), (7, 41340007), (101, 2865149), (397, 728917), (707, 409307), (1031, 280679), (2779, 104131), (7217, 40097)]