3798613

素因数分解:

$7^1\times {\mathrm{13}}^4\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 20

約数和(自身を含む): 4950560

約数和(自身を除く): 1151947

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 1183, 1729, 2197, 3211, 15379, 22477, 28561, 41743, 199927, 292201, 542659, 3798613]

約数ペア:

[(1, 3798613), (7, 542659), (13, 292201), (19, 199927), (91, 41743), (133, 28561), (169, 22477), (247, 15379), (1183, 3211), (1729, 2197)]