291201.00000000

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 78835680

約数和(自身を除く): 19881395

約数列:

[1, 5, 13, 53, 65, 109, 157, 265, 545, 689, 785, 1417, 2041, 3445, 5777, 7085, 8321, 10205, 17113, 28885, 41605, 75101, 85565, 108173, 222469, 375505, 540865, 906989, 1112345, 4534945, 11790857, 58954285]

約数ペア:

[(1, 58954285), (5, 11790857), (13, 4534945), (53, 1112345), (65, 906989), (109, 540865), (157, 375505), (265, 222469), (545, 108173), (689, 85565), (785, 75101), (1417, 41605), (2041, 28885), (3445, 17113), (5777, 10205), (7085, 8321)]