28781104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3803}}^1$

素因数の和:3865

約数の個数: 40

約数和(自身を含む): 62263872

約数和(自身を除く): 33482768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 3803, 7568, 7606, 15212, 30424, 41833, 60848, 83666, 163529, 167332, 327058, 334664, 654116, 669328, 1308232, 1798819, 2616464, 3597638, 7195276, 14390552, 28781104]

約数ペア:

[(1, 28781104), (2, 14390552), (4, 7195276), (8, 3597638), (11, 2616464), (16, 1798819), (22, 1308232), (43, 669328), (44, 654116), (86, 334664), (88, 327058), (172, 167332), (176, 163529), (344, 83666), (473, 60848), (688, 41833), (946, 30424), (1892, 15212), (3784, 7606), (3803, 7568)]