81488952

素因数分解:

$2^3\times 3^2\times {\mathrm{809}}^1\times {\mathrm{1399}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 221130000

約数和(自身を除く): 139641048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 809, 1399, 1618, 2427, 2798, 3236, 4197, 4854, 5596, 6472, 7281, 8394, 9708, 11192, 12591, 14562, 16788, 19416, 25182, 29124, 33576, 50364, 58248, 100728, 1131791, 2263582, 3395373, 4527164, 6790746, 9054328, 10186119, 13581492, 20372238, 27162984, 40744476, 81488952]

約数ペア:

[(1, 81488952), (2, 40744476), (3, 27162984), (4, 20372238), (6, 13581492), (8, 10186119), (9, 9054328), (12, 6790746), (18, 4527164), (24, 3395373), (36, 2263582), (72, 1131791), (809, 100728), (1399, 58248), (1618, 50364), (2427, 33576), (2798, 29124), (3236, 25182), (4197, 19416), (4854, 16788), (5596, 14562), (6472, 12591), (7281, 11192), (8394, 9708)]