2490488

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 6289920

約数和(自身を除く): 3799432

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 311, 364, 572, 616, 622, 728, 1001, 1144, 1244, 2002, 2177, 2488, 3421, 4004, 4043, 4354, 6842, 8008, 8086, 8708, 13684, 16172, 17416, 23947, 27368, 28301, 32344, 44473, 47894, 56602, 88946, 95788, 113204, 177892, 191576, 226408, 311311, 355784, 622622, 1245244, 2490488]

約数ペア:

[(1, 2490488), (2, 1245244), (4, 622622), (7, 355784), (8, 311311), (11, 226408), (13, 191576), (14, 177892), (22, 113204), (26, 95788), (28, 88946), (44, 56602), (52, 47894), (56, 44473), (77, 32344), (88, 28301), (91, 27368), (104, 23947), (143, 17416), (154, 16172), (182, 13684), (286, 8708), (308, 8086), (311, 8008), (364, 6842), (572, 4354), (616, 4043), (622, 4004), (728, 3421), (1001, 2488), (1144, 2177), (1244, 2002)]