890255526

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1291}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 1964666880

約数和(自身を除く): 1074411354

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 263, 437, 526, 789, 874, 1291, 1311, 1578, 2582, 2622, 3873, 4997, 6049, 7746, 9994, 12098, 14991, 18147, 24529, 29693, 29982, 36294, 49058, 59386, 73587, 89079, 114931, 147174, 178158, 229862, 339533, 344793, 564167, 679066, 689586, 1018599, 1128334, 1692501, 2037198, 3385002, 6451127, 7809259, 12902254, 15618518, 19353381, 23427777, 38706762, 46855554, 148375921, 296751842, 445127763, 890255526]

約数ペア:

[(1, 890255526), (2, 445127763), (3, 296751842), (6, 148375921), (19, 46855554), (23, 38706762), (38, 23427777), (46, 19353381), (57, 15618518), (69, 12902254), (114, 7809259), (138, 6451127), (263, 3385002), (437, 2037198), (526, 1692501), (789, 1128334), (874, 1018599), (1291, 689586), (1311, 679066), (1578, 564167), (2582, 344793), (2622, 339533), (3873, 229862), (4997, 178158), (6049, 147174), (7746, 114931), (9994, 89079), (12098, 73587), (14991, 59386), (18147, 49058), (24529, 36294), (29693, 29982)]