209304875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{853}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 283500672

約数和(自身を除く): 74195797

約数列:

[1, 5, 13, 25, 65, 125, 151, 325, 755, 853, 1625, 1963, 3775, 4265, 9815, 11089, 18875, 21325, 49075, 55445, 106625, 128803, 245375, 277225, 644015, 1386125, 1674439, 3220075, 8372195, 16100375, 41860975, 209304875]

約数ペア:

[(1, 209304875), (5, 41860975), (13, 16100375), (25, 8372195), (65, 3220075), (125, 1674439), (151, 1386125), (325, 644015), (755, 277225), (853, 245375), (1625, 128803), (1963, 106625), (3775, 55445), (4265, 49075), (9815, 21325), (11089, 18875)]