491775214

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1723}}^1$

素因数の和:1817

約数の個数: 64

約数和(自身を含む): 943372800

約数和(自身を除く): 451597586

約数列:

[1, 2, 7, 14, 19, 29, 37, 38, 58, 74, 133, 203, 259, 266, 406, 518, 551, 703, 1073, 1102, 1406, 1723, 2146, 3446, 3857, 4921, 7511, 7714, 9842, 12061, 15022, 20387, 24122, 32737, 40774, 49967, 63751, 65474, 99934, 127502, 142709, 229159, 285418, 349769, 446257, 458318, 699538, 892514, 949373, 1211269, 1848779, 1898746, 2422538, 3697558, 6645611, 8478883, 12941453, 13291222, 16957766, 25882906, 35126801, 70253602, 245887607, 491775214]

約数ペア:

[(1, 491775214), (2, 245887607), (7, 70253602), (14, 35126801), (19, 25882906), (29, 16957766), (37, 13291222), (38, 12941453), (58, 8478883), (74, 6645611), (133, 3697558), (203, 2422538), (259, 1898746), (266, 1848779), (406, 1211269), (518, 949373), (551, 892514), (703, 699538), (1073, 458318), (1102, 446257), (1406, 349769), (1723, 285418), (2146, 229159), (3446, 142709), (3857, 127502), (4921, 99934), (7511, 65474), (7714, 63751), (9842, 49967), (12061, 40774), (15022, 32737), (20387, 24122)]