28391696

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1503

約数の個数: 40

約数和(自身を含む): 58270080

約数和(自身を除く): 29878384

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 1423, 2494, 2846, 4988, 5692, 9976, 11384, 19952, 22768, 41267, 61189, 82534, 122378, 165068, 244756, 330136, 489512, 660272, 979024, 1774481, 3548962, 7097924, 14195848, 28391696]

約数ペア:

[(1, 28391696), (2, 14195848), (4, 7097924), (8, 3548962), (16, 1774481), (29, 979024), (43, 660272), (58, 489512), (86, 330136), (116, 244756), (172, 165068), (232, 122378), (344, 82534), (464, 61189), (688, 41267), (1247, 22768), (1423, 19952), (2494, 11384), (2846, 9976), (4988, 5692)]