80197364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 161109648

約数和(自身を除く): 80912284

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 257, 353, 442, 514, 706, 884, 1028, 1412, 3341, 4369, 4589, 6001, 6682, 8738, 9178, 12002, 13364, 17476, 18356, 24004, 56797, 78013, 90721, 113594, 156026, 181442, 227188, 312052, 362884, 1179373, 1542257, 2358746, 3084514, 4717492, 6169028, 20049341, 40098682, 80197364]

約数ペア:

[(1, 80197364), (2, 40098682), (4, 20049341), (13, 6169028), (17, 4717492), (26, 3084514), (34, 2358746), (52, 1542257), (68, 1179373), (221, 362884), (257, 312052), (353, 227188), (442, 181442), (514, 156026), (706, 113594), (884, 90721), (1028, 78013), (1412, 56797), (3341, 24004), (4369, 18356), (4589, 17476), (6001, 13364), (6682, 12002), (8738, 9178)]