39890344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7237}}^1$

素因数の和:7309

約数の個数: 32

約数和(自身を含む): 82078920

約数和(自身を除く): 42188576

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 7237, 14474, 28948, 57896, 94081, 188162, 376324, 383561, 752648, 767122, 1534244, 3068488, 4986293, 9972586, 19945172, 39890344]

約数ペア:

[(1, 39890344), (2, 19945172), (4, 9972586), (8, 4986293), (13, 3068488), (26, 1534244), (52, 767122), (53, 752648), (104, 383561), (106, 376324), (212, 188162), (424, 94081), (689, 57896), (1378, 28948), (2756, 14474), (5512, 7237)]