81029395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 28456685

約数列:

[1, 5, 17, 19, 85, 95, 131, 323, 383, 655, 1615, 1915, 2227, 2489, 6511, 7277, 11135, 12445, 32555, 36385, 42313, 50173, 123709, 211565, 250865, 618545, 852941, 953287, 4264705, 4766435, 16205879, 81029395]

約数ペア:

[(1, 81029395), (5, 16205879), (17, 4766435), (19, 4264705), (85, 953287), (95, 852941), (131, 618545), (323, 250865), (383, 211565), (655, 123709), (1615, 50173), (1915, 42313), (2227, 36385), (2489, 32555), (6511, 12445), (7277, 11135)]