89192425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 133991424

約数和(自身を除く): 44798999

約数列:

[1, 5, 7, 25, 31, 35, 41, 155, 175, 205, 217, 287, 401, 775, 1025, 1085, 1271, 1435, 2005, 2807, 5425, 6355, 7175, 8897, 10025, 12431, 14035, 16441, 31775, 44485, 62155, 70175, 82205, 87017, 115087, 222425, 310775, 411025, 435085, 509671, 575435, 2175425, 2548355, 2877175, 3567697, 12741775, 17838485, 89192425]

約数ペア:

[(1, 89192425), (5, 17838485), (7, 12741775), (25, 3567697), (31, 2877175), (35, 2548355), (41, 2175425), (155, 575435), (175, 509671), (205, 435085), (217, 411025), (287, 310775), (401, 222425), (775, 115087), (1025, 87017), (1085, 82205), (1271, 70175), (1435, 62155), (2005, 44485), (2807, 31775), (5425, 16441), (6355, 14035), (7175, 12431), (8897, 10025)]