81967778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{22531}}^1$

素因数の和:22657

約数の個数: 16

約数和(自身を含む): 131406624

約数和(自身を除く): 49438846

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 22531, 45062, 383027, 766054, 2410817, 4821634, 40983889, 81967778]

約数ペア:

[(1, 81967778), (2, 40983889), (17, 4821634), (34, 2410817), (107, 766054), (214, 383027), (1819, 45062), (3638, 22531)]