28737416

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 55624800

約数和(自身を除く): 26887384

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 556, 601, 1112, 1202, 2404, 4808, 5977, 11954, 23908, 25843, 47816, 51686, 83539, 103372, 167078, 206744, 334156, 668312, 3592177, 7184354, 14368708, 28737416]

約数ペア:

[(1, 28737416), (2, 14368708), (4, 7184354), (8, 3592177), (43, 668312), (86, 334156), (139, 206744), (172, 167078), (278, 103372), (344, 83539), (556, 51686), (601, 47816), (1112, 25843), (1202, 23908), (2404, 11954), (4808, 5977)]