66816376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20521}}^1$

素因数の和:20575

約数の個数: 32

約数和(自身を含む): 140370480

約数和(自身を除く): 73554104

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 20521, 41042, 82084, 164168, 225731, 451462, 759277, 902924, 1518554, 1805848, 3037108, 6074216, 8352047, 16704094, 33408188, 66816376]

約数ペア:

[(1, 66816376), (2, 33408188), (4, 16704094), (8, 8352047), (11, 6074216), (22, 3037108), (37, 1805848), (44, 1518554), (74, 902924), (88, 759277), (148, 451462), (296, 225731), (407, 164168), (814, 82084), (1628, 41042), (3256, 20521)]