431707328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1307}}^1$

素因数の和:1729

約数の個数: 56

約数和(自身を含む): 925598352

約数和(自身を除く): 493891024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 397, 416, 794, 832, 1307, 1588, 2614, 3176, 5161, 5228, 6352, 10322, 10456, 12704, 16991, 20644, 20912, 25408, 33982, 41288, 41824, 67964, 82576, 83648, 135928, 165152, 271856, 330304, 518879, 543712, 1037758, 1087424, 2075516, 4151032, 6745427, 8302064, 13490854, 16604128, 26981708, 33208256, 53963416, 107926832, 215853664, 431707328]

約数ペア:

[(1, 431707328), (2, 215853664), (4, 107926832), (8, 53963416), (13, 33208256), (16, 26981708), (26, 16604128), (32, 13490854), (52, 8302064), (64, 6745427), (104, 4151032), (208, 2075516), (397, 1087424), (416, 1037758), (794, 543712), (832, 518879), (1307, 330304), (1588, 271856), (2614, 165152), (3176, 135928), (5161, 83648), (5228, 82576), (6352, 67964), (10322, 41824), (10456, 41288), (12704, 33982), (16991, 25408), (20644, 20912)]