218307852

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{288767}}^1$

素因数の和:288787

約数の個数: 48

約数和(自身を含む): 646840320

約数和(自身を除く): 428532468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 288767, 577534, 866301, 1155068, 1732602, 2021369, 2598903, 3465204, 4042738, 5197806, 6064107, 7796709, 8085476, 10395612, 12128214, 15593418, 18192321, 24256428, 31186836, 36384642, 54576963, 72769284, 109153926, 218307852]

約数ペア:

[(1, 218307852), (2, 109153926), (3, 72769284), (4, 54576963), (6, 36384642), (7, 31186836), (9, 24256428), (12, 18192321), (14, 15593418), (18, 12128214), (21, 10395612), (27, 8085476), (28, 7796709), (36, 6064107), (42, 5197806), (54, 4042738), (63, 3465204), (84, 2598903), (108, 2021369), (126, 1732602), (189, 1155068), (252, 866301), (378, 577534), (756, 288767)]