2451215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 3245088

約数和(自身を除く): 793873

約数列:

[1, 5, 13, 43, 65, 215, 559, 877, 2795, 4385, 11401, 37711, 57005, 188555, 490243, 2451215]

約数ペア:

[(1, 2451215), (5, 490243), (13, 188555), (43, 57005), (65, 37711), (215, 11401), (559, 4385), (877, 2795)]