28196816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 57421920

約数和(自身を除く): 29225104

約数列:

[1, 2, 4, 8, 16, 29, 58, 67, 116, 134, 232, 268, 464, 536, 907, 1072, 1814, 1943, 3628, 3886, 7256, 7772, 14512, 15544, 26303, 31088, 52606, 60769, 105212, 121538, 210424, 243076, 420848, 486152, 972304, 1762301, 3524602, 7049204, 14098408, 28196816]

約数ペア:

[(1, 28196816), (2, 14098408), (4, 7049204), (8, 3524602), (16, 1762301), (29, 972304), (58, 486152), (67, 420848), (116, 243076), (134, 210424), (232, 121538), (268, 105212), (464, 60769), (536, 52606), (907, 31088), (1072, 26303), (1814, 15544), (1943, 14512), (3628, 7772), (3886, 7256)]