278345561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{5309}}^1$

素因数の和:5468

約数の個数: 16

約数和(自身を含む): 310741200

約数和(自身を除く): 32395639

約数列:

[1, 13, 37, 109, 481, 1417, 4033, 5309, 52429, 69017, 196433, 578681, 2553629, 7522853, 21411197, 278345561]

約数ペア:

[(1, 278345561), (13, 21411197), (37, 7522853), (109, 2553629), (481, 578681), (1417, 196433), (4033, 69017), (5309, 52429)]