128205308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 286003200

約数和(自身を除く): 157797892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 121, 154, 158, 242, 308, 316, 479, 484, 553, 847, 869, 958, 1106, 1694, 1738, 1916, 2212, 3353, 3388, 3476, 5269, 6083, 6706, 9559, 10538, 12166, 13412, 19118, 21076, 24332, 36883, 37841, 38236, 57959, 66913, 73766, 75682, 115918, 133826, 147532, 151364, 231836, 264887, 267652, 405713, 416251, 529774, 811426, 832502, 1059548, 1622852, 1665004, 2913757, 4578761, 5827514, 9157522, 11655028, 18315044, 32051327, 64102654, 128205308]

約数ペア:

[(1, 128205308), (2, 64102654), (4, 32051327), (7, 18315044), (11, 11655028), (14, 9157522), (22, 5827514), (28, 4578761), (44, 2913757), (77, 1665004), (79, 1622852), (121, 1059548), (154, 832502), (158, 811426), (242, 529774), (308, 416251), (316, 405713), (479, 267652), (484, 264887), (553, 231836), (847, 151364), (869, 147532), (958, 133826), (1106, 115918), (1694, 75682), (1738, 73766), (1916, 66913), (2212, 57959), (3353, 38236), (3388, 37841), (3476, 36883), (5269, 24332), (6083, 21076), (6706, 19118), (9559, 13412), (10538, 12166)]