69920575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 36

約数和(自身を含む): 96275088

約数和(自身を除く): 26354513

約数列:

[1, 5, 17, 23, 25, 85, 115, 311, 391, 425, 529, 575, 1555, 1955, 2645, 5287, 7153, 7775, 8993, 9775, 13225, 26435, 35765, 44965, 121601, 132175, 164519, 178825, 224825, 608005, 822595, 2796823, 3040025, 4112975, 13984115, 69920575]

約数ペア:

[(1, 69920575), (5, 13984115), (17, 4112975), (23, 3040025), (25, 2796823), (85, 822595), (115, 608005), (311, 224825), (391, 178825), (425, 164519), (529, 132175), (575, 121601), (1555, 44965), (1955, 35765), (2645, 26435), (5287, 13225), (7153, 9775), (7775, 8993)]