1788215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 2624832

約数和(自身を除く): 836617

約数列:

[1, 5, 11, 13, 41, 55, 61, 65, 143, 205, 305, 451, 533, 671, 715, 793, 2255, 2501, 2665, 3355, 3965, 5863, 8723, 12505, 27511, 29315, 32513, 43615, 137555, 162565, 357643, 1788215]

約数ペア:

[(1, 1788215), (5, 357643), (11, 162565), (13, 137555), (41, 43615), (55, 32513), (61, 29315), (65, 27511), (143, 12505), (205, 8723), (305, 5863), (451, 3965), (533, 3355), (671, 2665), (715, 2501), (793, 2255)]