204600385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 274285440

約数和(自身を除く): 69685055

約数列:

[1, 5, 11, 55, 73, 131, 365, 389, 655, 803, 1441, 1945, 4015, 4279, 7205, 9563, 21395, 28397, 47815, 50959, 105193, 141985, 254795, 312367, 525965, 560549, 1561835, 2802745, 3720007, 18600035, 40920077, 204600385]

約数ペア:

[(1, 204600385), (5, 40920077), (11, 18600035), (55, 3720007), (73, 2802745), (131, 1561835), (365, 560549), (389, 525965), (655, 312367), (803, 254795), (1441, 141985), (1945, 105193), (4015, 50959), (4279, 47815), (7205, 28397), (9563, 21395)]