81766718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 142490880

約数和(自身を除く): 60724162

約数列:

[1, 2, 11, 22, 29, 58, 61, 121, 122, 191, 242, 319, 382, 638, 671, 1342, 1769, 2101, 3509, 3538, 4202, 5539, 7018, 7381, 11078, 11651, 14762, 19459, 23111, 23302, 38918, 46222, 60929, 121858, 128161, 214049, 256322, 337879, 428098, 670219, 675758, 1340438, 1409771, 2819542, 3716669, 7433338, 40883359, 81766718]

約数ペア:

[(1, 81766718), (2, 40883359), (11, 7433338), (22, 3716669), (29, 2819542), (58, 1409771), (61, 1340438), (121, 675758), (122, 670219), (191, 428098), (242, 337879), (319, 256322), (382, 214049), (638, 128161), (671, 121858), (1342, 60929), (1769, 46222), (2101, 38918), (3509, 23302), (3538, 23111), (4202, 19459), (5539, 14762), (7018, 11651), (7381, 11078)]