17681456

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{503}}^1$

素因数の和:550

約数の個数: 40

約数和(自身を含む): 37185120

約数和(自身を除く): 19503664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 503, 676, 1006, 1352, 2012, 2197, 2704, 4024, 4394, 6539, 8048, 8788, 13078, 17576, 26156, 35152, 52312, 85007, 104624, 170014, 340028, 680056, 1105091, 1360112, 2210182, 4420364, 8840728, 17681456]

約数ペア:

[(1, 17681456), (2, 8840728), (4, 4420364), (8, 2210182), (13, 1360112), (16, 1105091), (26, 680056), (52, 340028), (104, 170014), (169, 104624), (208, 85007), (338, 52312), (503, 35152), (676, 26156), (1006, 17576), (1352, 13078), (2012, 8788), (2197, 8048), (2704, 6539), (4024, 4394)]