990147248

素因数分解:

$2^4\times {\mathrm{1249}}^1\times {\mathrm{49547}}^1$

素因数の和:50804

約数の個数: 20

約数和(自身を含む): 1919985000

約数和(自身を除く): 929837752

約数列:

[1, 2, 4, 8, 16, 1249, 2498, 4996, 9992, 19984, 49547, 99094, 198188, 396376, 792752, 61884203, 123768406, 247536812, 495073624, 990147248]

約数ペア:

[(1, 990147248), (2, 495073624), (4, 247536812), (8, 123768406), (16, 61884203), (1249, 792752), (2498, 396376), (4996, 198188), (9992, 99094), (19984, 49547)]