1290784

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 2933280

約数和(自身を除く): 1642496

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 193, 209, 304, 352, 386, 418, 608, 772, 836, 1544, 1672, 2123, 3088, 3344, 3667, 4246, 6176, 6688, 7334, 8492, 14668, 16984, 29336, 33968, 40337, 58672, 67936, 80674, 117344, 161348, 322696, 645392, 1290784]

約数ペア:

[(1, 1290784), (2, 645392), (4, 322696), (8, 161348), (11, 117344), (16, 80674), (19, 67936), (22, 58672), (32, 40337), (38, 33968), (44, 29336), (76, 16984), (88, 14668), (152, 8492), (176, 7334), (193, 6688), (209, 6176), (304, 4246), (352, 3667), (386, 3344), (418, 3088), (608, 2123), (772, 1672), (836, 1544)]