204596405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 272208384

約数和(自身を除く): 67611979

約数列:

[1, 5, 13, 47, 65, 193, 235, 347, 611, 965, 1735, 2509, 3055, 4511, 9071, 12545, 16309, 22555, 45355, 66971, 81545, 117923, 212017, 334855, 589615, 870623, 1060085, 3147637, 4353115, 15738185, 40919281, 204596405]

約数ペア:

[(1, 204596405), (5, 40919281), (13, 15738185), (47, 4353115), (65, 3147637), (193, 1060085), (235, 870623), (347, 589615), (611, 334855), (965, 212017), (1735, 117923), (2509, 81545), (3055, 66971), (4511, 45355), (9071, 22555), (12545, 16309)]