81978824

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1151}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 159667200

約数和(自身を除く): 77688376

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 307, 614, 1151, 1228, 2302, 2456, 4604, 8903, 9208, 17806, 33379, 35612, 66758, 71224, 133516, 267032, 353357, 706714, 1413428, 2826856, 10247353, 20494706, 40989412, 81978824]

約数ペア:

[(1, 81978824), (2, 40989412), (4, 20494706), (8, 10247353), (29, 2826856), (58, 1413428), (116, 706714), (232, 353357), (307, 267032), (614, 133516), (1151, 71224), (1228, 66758), (2302, 35612), (2456, 33379), (4604, 17806), (8903, 9208)]