1221642079

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 1554923520

約数和(自身を除く): 333281441

約数列:

[1, 7, 23, 31, 49, 73, 161, 217, 479, 511, 713, 1127, 1519, 1679, 2263, 3353, 3577, 4991, 11017, 11753, 14849, 15841, 23471, 34937, 34967, 52049, 77119, 82271, 103943, 110887, 244769, 341527, 364343, 539833, 727601, 804241, 1083977, 1713383, 2390689, 2550401, 5629687, 7587839, 16734823, 24931471, 39407809, 53114873, 174520297, 1221642079]

約数ペア:

[(1, 1221642079), (7, 174520297), (23, 53114873), (31, 39407809), (49, 24931471), (73, 16734823), (161, 7587839), (217, 5629687), (479, 2550401), (511, 2390689), (713, 1713383), (1127, 1083977), (1519, 804241), (1679, 727601), (2263, 539833), (3353, 364343), (3577, 341527), (4991, 244769), (11017, 110887), (11753, 103943), (14849, 82271), (15841, 77119), (23471, 52049), (34937, 34967)]