201405438

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1997}}^1$

素因数の和:2449

約数の個数: 48

約数和(自身を含む): 471272256

約数和(自身を除く): 269866818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 431, 862, 1293, 1997, 2586, 3879, 3994, 5603, 5991, 7758, 11206, 11982, 16809, 17973, 25961, 33618, 35946, 50427, 51922, 77883, 100854, 155766, 233649, 467298, 860707, 1721414, 2582121, 5164242, 7746363, 11189191, 15492726, 22378382, 33567573, 67135146, 100702719, 201405438]

約数ペア:

[(1, 201405438), (2, 100702719), (3, 67135146), (6, 33567573), (9, 22378382), (13, 15492726), (18, 11189191), (26, 7746363), (39, 5164242), (78, 2582121), (117, 1721414), (234, 860707), (431, 467298), (862, 233649), (1293, 155766), (1997, 100854), (2586, 77883), (3879, 51922), (3994, 50427), (5603, 35946), (5991, 33618), (7758, 25961), (11206, 17973), (11982, 16809)]