81604728

素因数分解:

$2^3\times 3^2\times {\mathrm{983}}^1\times {\mathrm{1153}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 221429520

約数和(自身を除く): 139824792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 983, 1153, 1966, 2306, 2949, 3459, 3932, 4612, 5898, 6918, 7864, 8847, 9224, 10377, 11796, 13836, 17694, 20754, 23592, 27672, 35388, 41508, 70776, 83016, 1133399, 2266798, 3400197, 4533596, 6800394, 9067192, 10200591, 13600788, 20401182, 27201576, 40802364, 81604728]

約数ペア:

[(1, 81604728), (2, 40802364), (3, 27201576), (4, 20401182), (6, 13600788), (8, 10200591), (9, 9067192), (12, 6800394), (18, 4533596), (24, 3400197), (36, 2266798), (72, 1133399), (983, 83016), (1153, 70776), (1966, 41508), (2306, 35388), (2949, 27672), (3459, 23592), (3932, 20754), (4612, 17694), (5898, 13836), (6918, 11796), (7864, 10377), (8847, 9224)]