663219740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{4567}}^1$

素因数の和:4766

約数の個数: 48

約数和(自身を含む): 1429710912

約数和(自身を除く): 766491172

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 212, 265, 274, 530, 548, 685, 1060, 1370, 2740, 4567, 7261, 9134, 14522, 18268, 22835, 29044, 36305, 45670, 72610, 91340, 145220, 242051, 484102, 625679, 968204, 1210255, 1251358, 2420510, 2502716, 3128395, 4841020, 6256790, 12513580, 33160987, 66321974, 132643948, 165804935, 331609870, 663219740]

約数ペア:

[(1, 663219740), (2, 331609870), (4, 165804935), (5, 132643948), (10, 66321974), (20, 33160987), (53, 12513580), (106, 6256790), (137, 4841020), (212, 3128395), (265, 2502716), (274, 2420510), (530, 1251358), (548, 1210255), (685, 968204), (1060, 625679), (1370, 484102), (2740, 242051), (4567, 145220), (7261, 91340), (9134, 72610), (14522, 45670), (18268, 36305), (22835, 29044)]