28663607

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 33465600

約数和(自身を除く): 4801993

約数列:

[1, 7, 89, 139, 331, 623, 973, 2317, 12371, 29459, 46009, 86597, 206213, 322063, 4094801, 28663607]

約数ペア:

[(1, 28663607), (7, 4094801), (89, 322063), (139, 206213), (331, 86597), (623, 46009), (973, 29459), (2317, 12371)]