218734568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{337}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 448664580

約数和(自身を除く): 229930012

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 337, 632, 674, 1027, 1348, 2054, 2696, 4108, 4381, 6241, 8216, 8762, 12482, 17524, 24964, 26623, 35048, 49928, 53246, 81133, 106492, 162266, 212984, 324532, 346099, 649064, 692198, 1384396, 2103217, 2768792, 4206434, 8412868, 16825736, 27341821, 54683642, 109367284, 218734568]

約数ペア:

[(1, 218734568), (2, 109367284), (4, 54683642), (8, 27341821), (13, 16825736), (26, 8412868), (52, 4206434), (79, 2768792), (104, 2103217), (158, 1384396), (316, 692198), (337, 649064), (632, 346099), (674, 324532), (1027, 212984), (1348, 162266), (2054, 106492), (2696, 81133), (4108, 53246), (4381, 49928), (6241, 35048), (8216, 26623), (8762, 24964), (12482, 17524)]