17715568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1681

約数の個数: 40

約数和(自身を含む): 37685088

約数和(自身を除く): 19969520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 1607, 2756, 3214, 5512, 6428, 11024, 12856, 20891, 25712, 41782, 83564, 85171, 167128, 170342, 334256, 340684, 681368, 1107223, 1362736, 2214446, 4428892, 8857784, 17715568]

約数ペア:

[(1, 17715568), (2, 8857784), (4, 4428892), (8, 2214446), (13, 1362736), (16, 1107223), (26, 681368), (52, 340684), (53, 334256), (104, 170342), (106, 167128), (208, 85171), (212, 83564), (424, 41782), (689, 25712), (848, 20891), (1378, 12856), (1607, 11024), (2756, 6428), (3214, 5512)]