858494441

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 1089285120

約数和(自身を除く): 230790679

約数列:

[1, 7, 17, 43, 71, 119, 139, 289, 301, 497, 731, 973, 1207, 2023, 2363, 3053, 5117, 5977, 8449, 9869, 12427, 16541, 20519, 21371, 40171, 41839, 51901, 69083, 86989, 101609, 143633, 167773, 281197, 363307, 424367, 711263, 882317, 1174411, 1727353, 2852141, 2970569, 6176219, 7214239, 12091471, 19964987, 50499673, 122642063, 858494441]

約数ペア:

[(1, 858494441), (7, 122642063), (17, 50499673), (43, 19964987), (71, 12091471), (119, 7214239), (139, 6176219), (289, 2970569), (301, 2852141), (497, 1727353), (731, 1174411), (973, 882317), (1207, 711263), (2023, 424367), (2363, 363307), (3053, 281197), (5117, 167773), (5977, 143633), (8449, 101609), (9869, 86989), (12427, 69083), (16541, 51901), (20519, 41839), (21371, 40171)]