204815575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{911}}^1$

素因数の和:984

約数の個数: 36

約数和(自身を含む): 281419488

約数和(自身を除く): 76603913

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 529, 575, 911, 1955, 2645, 4555, 8993, 9775, 13225, 15487, 20953, 22775, 44965, 77435, 104765, 224825, 356201, 387175, 481919, 523825, 1781005, 2409595, 8192623, 8905025, 12047975, 40963115, 204815575]

約数ペア:

[(1, 204815575), (5, 40963115), (17, 12047975), (23, 8905025), (25, 8192623), (85, 2409595), (115, 1781005), (391, 523825), (425, 481919), (529, 387175), (575, 356201), (911, 224825), (1955, 104765), (2645, 77435), (4555, 44965), (8993, 22775), (9775, 20953), (13225, 15487)]