1286965

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 24

約数和(自身を含む): 1755648

約数和(自身を除く): 468683

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 361, 437, 589, 713, 1805, 2185, 2945, 3565, 8303, 11191, 13547, 41515, 55955, 67735, 257393, 1286965]

約数ペア:

[(1, 1286965), (5, 257393), (19, 67735), (23, 55955), (31, 41515), (95, 13547), (115, 11191), (155, 8303), (361, 3565), (437, 2945), (589, 2185), (713, 1805)]