28860128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 62487936

約数和(自身を除く): 33627808

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 163, 176, 326, 352, 503, 652, 1006, 1304, 1793, 2012, 2608, 3586, 4024, 5216, 5533, 7172, 8048, 11066, 14344, 16096, 22132, 28688, 44264, 57376, 81989, 88528, 163978, 177056, 327956, 655912, 901879, 1311824, 1803758, 2623648, 3607516, 7215032, 14430064, 28860128]

約数ペア:

[(1, 28860128), (2, 14430064), (4, 7215032), (8, 3607516), (11, 2623648), (16, 1803758), (22, 1311824), (32, 901879), (44, 655912), (88, 327956), (163, 177056), (176, 163978), (326, 88528), (352, 81989), (503, 57376), (652, 44264), (1006, 28688), (1304, 22132), (1793, 16096), (2012, 14344), (2608, 11066), (3586, 8048), (4024, 7172), (5216, 5533)]