209920656

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9697}}^1$

素因数の和:9760

約数の個数: 80

約数和(自身を含む): 606086208

約数和(自身を除く): 396165552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 41, 44, 48, 66, 82, 88, 123, 132, 164, 176, 246, 264, 328, 451, 492, 528, 656, 902, 984, 1353, 1804, 1968, 2706, 3608, 5412, 7216, 9697, 10824, 19394, 21648, 29091, 38788, 58182, 77576, 106667, 116364, 155152, 213334, 232728, 320001, 397577, 426668, 465456, 640002, 795154, 853336, 1192731, 1280004, 1590308, 1706672, 2385462, 2560008, 3180616, 4373347, 4770924, 5120016, 6361232, 8746694, 9541848, 13120041, 17493388, 19083696, 26240082, 34986776, 52480164, 69973552, 104960328, 209920656]

約数ペア:

[(1, 209920656), (2, 104960328), (3, 69973552), (4, 52480164), (6, 34986776), (8, 26240082), (11, 19083696), (12, 17493388), (16, 13120041), (22, 9541848), (24, 8746694), (33, 6361232), (41, 5120016), (44, 4770924), (48, 4373347), (66, 3180616), (82, 2560008), (88, 2385462), (123, 1706672), (132, 1590308), (164, 1280004), (176, 1192731), (246, 853336), (264, 795154), (328, 640002), (451, 465456), (492, 426668), (528, 397577), (656, 320001), (902, 232728), (984, 213334), (1353, 155152), (1804, 116364), (1968, 106667), (2706, 77576), (3608, 58182), (5412, 38788), (7216, 29091), (9697, 21648), (10824, 19394)]