7720902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2113}}^1$

素因数の和:2157

約数の個数: 48

約数和(自身を含む): 19787040

約数和(自身を除く): 12066138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 2113, 3654, 4226, 6339, 12678, 14791, 19017, 29582, 38034, 44373, 61277, 88746, 122554, 133119, 183831, 266238, 367662, 428939, 551493, 857878, 1102986, 1286817, 2573634, 3860451, 7720902]

約数ペア:

[(1, 7720902), (2, 3860451), (3, 2573634), (6, 1286817), (7, 1102986), (9, 857878), (14, 551493), (18, 428939), (21, 367662), (29, 266238), (42, 183831), (58, 133119), (63, 122554), (87, 88746), (126, 61277), (174, 44373), (203, 38034), (261, 29582), (406, 19017), (522, 14791), (609, 12678), (1218, 6339), (1827, 4226), (2113, 3654)]