15661235156

素因数分解:

$2^2\times 7^2\times {\mathrm{2141}}^1\times {\mathrm{37321}}^1$

素因数の和:39480

約数の個数: 36

約数和(自身を含む): 31897545876

約数和(自身を除く): 16236310720

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 2141, 4282, 8564, 14987, 29974, 37321, 59948, 74642, 104909, 149284, 209818, 261247, 419636, 522494, 1044988, 1828729, 3657458, 7314916, 79904261, 159808522, 319617044, 559329827, 1118659654, 2237319308, 3915308789, 7830617578, 15661235156]

約数ペア:

[(1, 15661235156), (2, 7830617578), (4, 3915308789), (7, 2237319308), (14, 1118659654), (28, 559329827), (49, 319617044), (98, 159808522), (196, 79904261), (2141, 7314916), (4282, 3657458), (8564, 1828729), (14987, 1044988), (29974, 522494), (37321, 419636), (59948, 261247), (74642, 209818), (104909, 149284)]