28439888

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 57317760

約数和(自身を除く): 28877872

約数列:

[1, 2, 4, 8, 16, 47, 59, 94, 118, 188, 236, 376, 472, 641, 752, 944, 1282, 2564, 2773, 5128, 5546, 10256, 11092, 22184, 30127, 37819, 44368, 60254, 75638, 120508, 151276, 241016, 302552, 482032, 605104, 1777493, 3554986, 7109972, 14219944, 28439888]

約数ペア:

[(1, 28439888), (2, 14219944), (4, 7109972), (8, 3554986), (16, 1777493), (47, 605104), (59, 482032), (94, 302552), (118, 241016), (188, 151276), (236, 120508), (376, 75638), (472, 60254), (641, 44368), (752, 37819), (944, 30127), (1282, 22184), (2564, 11092), (2773, 10256), (5128, 5546)]