28680784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1831}}^1$

素因数の和:1939

約数の個数: 40

約数和(自身を含む): 61335360

約数和(自身を除く): 32654576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1831, 1958, 3662, 3916, 7324, 7832, 14648, 15664, 20141, 29296, 40282, 80564, 161128, 162959, 322256, 325918, 651836, 1303672, 1792549, 2607344, 3585098, 7170196, 14340392, 28680784]

約数ペア:

[(1, 28680784), (2, 14340392), (4, 7170196), (8, 3585098), (11, 2607344), (16, 1792549), (22, 1303672), (44, 651836), (88, 325918), (89, 322256), (176, 162959), (178, 161128), (356, 80564), (712, 40282), (979, 29296), (1424, 20141), (1831, 15664), (1958, 14648), (3662, 7832), (3916, 7324)]