68315728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6197}}^1$

素因数の和:6271

約数の個数: 40

約数和(自身を含む): 145256328

約数和(自身を除く): 76940600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 6197, 11024, 12394, 24788, 49576, 80561, 99152, 161122, 322244, 328441, 644488, 656882, 1288976, 1313764, 2627528, 4269733, 5255056, 8539466, 17078932, 34157864, 68315728]

約数ペア:

[(1, 68315728), (2, 34157864), (4, 17078932), (8, 8539466), (13, 5255056), (16, 4269733), (26, 2627528), (52, 1313764), (53, 1288976), (104, 656882), (106, 644488), (208, 328441), (212, 322244), (424, 161122), (689, 99152), (848, 80561), (1378, 49576), (2756, 24788), (5512, 12394), (6197, 11024)]