205696816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 447721344

約数和(自身を除く): 242024528

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 53, 94, 104, 106, 188, 208, 212, 376, 397, 424, 611, 689, 752, 794, 848, 1222, 1378, 1588, 2444, 2491, 2756, 3176, 4888, 4982, 5161, 5512, 6352, 9776, 9964, 10322, 11024, 18659, 19928, 20644, 21041, 32383, 37318, 39856, 41288, 42082, 64766, 74636, 82576, 84164, 129532, 149272, 168328, 242567, 259064, 273533, 298544, 336656, 485134, 518128, 547066, 970268, 988927, 1094132, 1940536, 1977854, 2188264, 3881072, 3955708, 4376528, 7911416, 12856051, 15822832, 25712102, 51424204, 102848408, 205696816]

約数ペア:

[(1, 205696816), (2, 102848408), (4, 51424204), (8, 25712102), (13, 15822832), (16, 12856051), (26, 7911416), (47, 4376528), (52, 3955708), (53, 3881072), (94, 2188264), (104, 1977854), (106, 1940536), (188, 1094132), (208, 988927), (212, 970268), (376, 547066), (397, 518128), (424, 485134), (611, 336656), (689, 298544), (752, 273533), (794, 259064), (848, 242567), (1222, 168328), (1378, 149272), (1588, 129532), (2444, 84164), (2491, 82576), (2756, 74636), (3176, 64766), (4888, 42082), (4982, 41288), (5161, 39856), (5512, 37318), (6352, 32383), (9776, 21041), (9964, 20644), (10322, 19928), (11024, 18659)]