1399687792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{20023}}^1$

素因数の和:20305

約数の個数: 40

約数和(自身を含む): 2882735136

約数和(自身を除く): 1483047344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 257, 272, 514, 1028, 2056, 4112, 4369, 8738, 17476, 20023, 34952, 40046, 69904, 80092, 160184, 320368, 340391, 680782, 1361564, 2723128, 5145911, 5446256, 10291822, 20583644, 41167288, 82334576, 87480487, 174960974, 349921948, 699843896, 1399687792]

約数ペア:

[(1, 1399687792), (2, 699843896), (4, 349921948), (8, 174960974), (16, 87480487), (17, 82334576), (34, 41167288), (68, 20583644), (136, 10291822), (257, 5446256), (272, 5145911), (514, 2723128), (1028, 1361564), (2056, 680782), (4112, 340391), (4369, 320368), (8738, 160184), (17476, 80092), (20023, 69904), (34952, 40046)]