178128145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 238258944

約数和(自身を除く): 60130799

約数列:

[1, 5, 13, 43, 65, 101, 215, 505, 559, 631, 1313, 2795, 3155, 4343, 6565, 8203, 21715, 27133, 41015, 56459, 63731, 135665, 282295, 318655, 352729, 828503, 1763645, 2740433, 4142515, 13702165, 35625629, 178128145]

約数ペア:

[(1, 178128145), (5, 35625629), (13, 13702165), (43, 4142515), (65, 2740433), (101, 1763645), (215, 828503), (505, 352729), (559, 318655), (631, 282295), (1313, 135665), (2795, 63731), (3155, 56459), (4343, 41015), (6565, 27133), (8203, 21715)]