289389506

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{1327}}^1$

素因数の和:1794

約数の個数: 32

約数和(自身を含む): 511099392

約数和(自身を除く): 221709886

約数列:

[1, 2, 7, 14, 37, 74, 259, 421, 518, 842, 1327, 2654, 2947, 5894, 9289, 15577, 18578, 31154, 49099, 98198, 109039, 218078, 343693, 558667, 687386, 1117334, 3910669, 7821338, 20670679, 41341358, 144694753, 289389506]

約数ペア:

[(1, 289389506), (2, 144694753), (7, 41341358), (14, 20670679), (37, 7821338), (74, 3910669), (259, 1117334), (421, 687386), (518, 558667), (842, 343693), (1327, 218078), (2654, 109039), (2947, 98198), (5894, 49099), (9289, 31154), (15577, 18578)]