28186697

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 37926144

約数和(自身を除く): 9739447

約数列:

[1, 7, 11, 17, 61, 77, 119, 187, 353, 427, 671, 1037, 1309, 2471, 3883, 4697, 6001, 7259, 11407, 21533, 27181, 42007, 66011, 79849, 150731, 236863, 366061, 462077, 1658041, 2562427, 4026671, 28186697]

約数ペア:

[(1, 28186697), (7, 4026671), (11, 2562427), (17, 1658041), (61, 462077), (77, 366061), (119, 236863), (187, 150731), (353, 79849), (427, 66011), (671, 42007), (1037, 27181), (1309, 21533), (2471, 11407), (3883, 7259), (4697, 6001)]