81329568

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20663}}^1$

素因数の和:20717

約数の個数: 48

約数和(自身を含む): 218707776

約数和(自身を除く): 137378208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 20663, 41326, 61989, 82652, 123978, 165304, 247956, 330608, 495912, 661216, 847183, 991824, 1694366, 1983648, 2541549, 3388732, 5083098, 6777464, 10166196, 13554928, 20332392, 27109856, 40664784, 81329568]

約数ペア:

[(1, 81329568), (2, 40664784), (3, 27109856), (4, 20332392), (6, 13554928), (8, 10166196), (12, 6777464), (16, 5083098), (24, 3388732), (32, 2541549), (41, 1983648), (48, 1694366), (82, 991824), (96, 847183), (123, 661216), (164, 495912), (246, 330608), (328, 247956), (492, 165304), (656, 123978), (984, 82652), (1312, 61989), (1968, 41326), (3936, 20663)]