68571455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 90725184

約数和(自身を除く): 22153729

約数列:

[1, 5, 17, 43, 73, 85, 215, 257, 365, 731, 1241, 1285, 3139, 3655, 4369, 6205, 11051, 15695, 18761, 21845, 53363, 55255, 93805, 187867, 266815, 318937, 806723, 939335, 1594685, 4033615, 13714291, 68571455]

約数ペア:

[(1, 68571455), (5, 13714291), (17, 4033615), (43, 1594685), (73, 939335), (85, 806723), (215, 318937), (257, 266815), (365, 187867), (731, 93805), (1241, 55255), (1285, 53363), (3139, 21845), (3655, 18761), (4369, 15695), (6205, 11051)]