81643792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7321}}^1$

素因数の和:7387

約数の個数: 40

約数和(自身を含む): 171598392

約数和(自身を除く): 89954600

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 7321, 11152, 14642, 29284, 58568, 117136, 124457, 248914, 300161, 497828, 600322, 995656, 1200644, 1991312, 2401288, 4802576, 5102737, 10205474, 20410948, 40821896, 81643792]

約数ペア:

[(1, 81643792), (2, 40821896), (4, 20410948), (8, 10205474), (16, 5102737), (17, 4802576), (34, 2401288), (41, 1991312), (68, 1200644), (82, 995656), (136, 600322), (164, 497828), (272, 300161), (328, 248914), (656, 124457), (697, 117136), (1394, 58568), (2788, 29284), (5576, 14642), (7321, 11152)]