66940816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1747

約数の個数: 40

約数和(自身を含む): 135761400

約数和(自身を除く): 68820584

約数列:

[1, 2, 4, 8, 16, 29, 58, 89, 116, 178, 232, 356, 464, 712, 1424, 1621, 2581, 3242, 5162, 6484, 10324, 12968, 20648, 25936, 41296, 47009, 94018, 144269, 188036, 288538, 376072, 577076, 752144, 1154152, 2308304, 4183801, 8367602, 16735204, 33470408, 66940816]

約数ペア:

[(1, 66940816), (2, 33470408), (4, 16735204), (8, 8367602), (16, 4183801), (29, 2308304), (58, 1154152), (89, 752144), (116, 577076), (178, 376072), (232, 288538), (356, 188036), (464, 144269), (712, 94018), (1424, 47009), (1621, 41296), (2581, 25936), (3242, 20648), (5162, 12968), (6484, 10324)]