31780308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1583}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 85155840

約数和(自身を除く): 53375532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1434, 1583, 1673, 2868, 3166, 3346, 4749, 5019, 6332, 6692, 9498, 10038, 11081, 18996, 20076, 22162, 33243, 44324, 66486, 132972, 378337, 756674, 1135011, 1513348, 2270022, 2648359, 4540044, 5296718, 7945077, 10593436, 15890154, 31780308]

約数ペア:

[(1, 31780308), (2, 15890154), (3, 10593436), (4, 7945077), (6, 5296718), (7, 4540044), (12, 2648359), (14, 2270022), (21, 1513348), (28, 1135011), (42, 756674), (84, 378337), (239, 132972), (478, 66486), (717, 44324), (956, 33243), (1434, 22162), (1583, 20076), (1673, 18996), (2868, 11081), (3166, 10038), (3346, 9498), (4749, 6692), (5019, 6332)]