72136816

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 143388144

約数和(自身を除く): 71251328

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 257, 331, 424, 514, 662, 848, 1028, 1324, 2056, 2648, 4112, 5296, 13621, 17543, 27242, 35086, 54484, 70172, 85067, 108968, 140344, 170134, 217936, 280688, 340268, 680536, 1361072, 4508551, 9017102, 18034204, 36068408, 72136816]

約数ペア:

[(1, 72136816), (2, 36068408), (4, 18034204), (8, 9017102), (16, 4508551), (53, 1361072), (106, 680536), (212, 340268), (257, 280688), (331, 217936), (424, 170134), (514, 140344), (662, 108968), (848, 85067), (1028, 70172), (1324, 54484), (2056, 35086), (2648, 27242), (4112, 17543), (5296, 13621)]