2806760978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3079}}^1$

素因数の和:3279

約数の個数: 64

約数和(自身を含む): 5322240000

約数和(自身を除く): 2515479022

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 149, 161, 266, 298, 322, 437, 874, 1043, 2086, 2831, 3059, 3079, 3427, 5662, 6118, 6158, 6854, 19817, 21553, 23989, 39634, 43106, 47978, 58501, 65113, 70817, 117002, 130226, 141634, 409507, 455791, 458771, 495719, 819014, 911582, 917542, 991438, 1345523, 2691046, 3211397, 6422794, 8716649, 9418661, 10551733, 17433298, 18837322, 21103466, 61016543, 73862131, 122033086, 147724262, 200482927, 400965854, 1403380489, 2806760978]

約数ペア:

[(1, 2806760978), (2, 1403380489), (7, 400965854), (14, 200482927), (19, 147724262), (23, 122033086), (38, 73862131), (46, 61016543), (133, 21103466), (149, 18837322), (161, 17433298), (266, 10551733), (298, 9418661), (322, 8716649), (437, 6422794), (874, 3211397), (1043, 2691046), (2086, 1345523), (2831, 991438), (3059, 917542), (3079, 911582), (3427, 819014), (5662, 495719), (6118, 458771), (6158, 455791), (6854, 409507), (19817, 141634), (21553, 130226), (23989, 117002), (39634, 70817), (43106, 65113), (47978, 58501)]