218386475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14831}}^1$

素因数の和:14891

約数の個数: 24

約数和(自身を含む): 294266880

約数和(自身を除く): 75880405

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 14725, 14831, 74155, 281789, 370775, 459761, 1408945, 2298805, 7044725, 8735459, 11494025, 43677295, 218386475]

約数ペア:

[(1, 218386475), (5, 43677295), (19, 11494025), (25, 8735459), (31, 7044725), (95, 2298805), (155, 1408945), (475, 459761), (589, 370775), (775, 281789), (2945, 74155), (14725, 14831)]