218973872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61927}}^1$

素因数の和:61965

約数の個数: 40

約数和(自身を含む): 483781536

約数和(自身を除く): 264807664

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 61927, 123854, 247708, 495416, 805051, 990832, 1052759, 1610102, 2105518, 3220204, 4211036, 6440408, 8422072, 12880816, 13685867, 16844144, 27371734, 54743468, 109486936, 218973872]

約数ペア:

[(1, 218973872), (2, 109486936), (4, 54743468), (8, 27371734), (13, 16844144), (16, 13685867), (17, 12880816), (26, 8422072), (34, 6440408), (52, 4211036), (68, 3220204), (104, 2105518), (136, 1610102), (208, 1052759), (221, 990832), (272, 805051), (442, 495416), (884, 247708), (1768, 123854), (3536, 61927)]