858552190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 1684545984

約数和(自身を除く): 825993794

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 257, 430, 457, 514, 731, 914, 1285, 1462, 2285, 2570, 3655, 4369, 4570, 7310, 7769, 8738, 11051, 15538, 19651, 21845, 22102, 38845, 39302, 43690, 55255, 77690, 98255, 110510, 117449, 187867, 196510, 234898, 334067, 375734, 587245, 668134, 939335, 1174490, 1670335, 1878670, 1996633, 3340670, 3993266, 5050307, 9983165, 10100614, 19966330, 25251535, 50503070, 85855219, 171710438, 429276095, 858552190]

約数ペア:

[(1, 858552190), (2, 429276095), (5, 171710438), (10, 85855219), (17, 50503070), (34, 25251535), (43, 19966330), (85, 10100614), (86, 9983165), (170, 5050307), (215, 3993266), (257, 3340670), (430, 1996633), (457, 1878670), (514, 1670335), (731, 1174490), (914, 939335), (1285, 668134), (1462, 587245), (2285, 375734), (2570, 334067), (3655, 234898), (4369, 196510), (4570, 187867), (7310, 117449), (7769, 110510), (8738, 98255), (11051, 77690), (15538, 55255), (19651, 43690), (21845, 39302), (22102, 38845)]