217436545664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{319489}}^1$

素因数の和:319925

約数の個数: 64

約数和(自身を含む): 467637513000

約数和(自身を除く): 250200967336

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 409, 416, 818, 832, 1636, 1664, 3272, 5317, 6544, 10634, 13088, 21268, 26176, 42536, 52352, 85072, 170144, 319489, 340288, 638978, 680576, 1277956, 2555912, 4153357, 5111824, 8306714, 10223648, 16613428, 20447296, 33226856, 40894592, 66453712, 130671001, 132907424, 261342002, 265814848, 522684004, 531629696, 1045368008, 1698723013, 2090736016, 3397446026, 4181472032, 6794892052, 8362944064, 13589784104, 16725888128, 27179568208, 54359136416, 108718272832, 217436545664]

約数ペア:

[(1, 217436545664), (2, 108718272832), (4, 54359136416), (8, 27179568208), (13, 16725888128), (16, 13589784104), (26, 8362944064), (32, 6794892052), (52, 4181472032), (64, 3397446026), (104, 2090736016), (128, 1698723013), (208, 1045368008), (409, 531629696), (416, 522684004), (818, 265814848), (832, 261342002), (1636, 132907424), (1664, 130671001), (3272, 66453712), (5317, 40894592), (6544, 33226856), (10634, 20447296), (13088, 16613428), (21268, 10223648), (26176, 8306714), (42536, 5111824), (52352, 4153357), (85072, 2555912), (170144, 1277956), (319489, 680576), (340288, 638978)]