28155284

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 50332800

約数和(自身を除く): 22177516

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 556, 641, 1282, 2564, 10981, 21962, 43924, 50639, 89099, 101278, 178198, 202556, 356396, 7038821, 14077642, 28155284]

約数ペア:

[(1, 28155284), (2, 14077642), (4, 7038821), (79, 356396), (139, 202556), (158, 178198), (278, 101278), (316, 89099), (556, 50639), (641, 43924), (1282, 21962), (2564, 10981)]