68844505

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 89318592

約数和(自身を除く): 20474087

約数列:

[1, 5, 19, 43, 95, 215, 361, 817, 887, 1805, 4085, 4435, 15523, 16853, 38141, 77615, 84265, 190705, 320207, 724679, 1601035, 3623395, 13768901, 68844505]

約数ペア:

[(1, 68844505), (5, 13768901), (19, 3623395), (43, 1601035), (95, 724679), (215, 320207), (361, 190705), (817, 84265), (887, 77615), (1805, 38141), (4085, 16853), (4435, 15523)]