1309925008

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{164729}}^1$

素因数の和:164815

約数の個数: 40

約数和(自身を含む): 2941418880

約数和(自身を除く): 1631493872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 164729, 329458, 658916, 1153103, 1317832, 2306206, 2635664, 4612412, 9224824, 11695759, 18449648, 23391518, 46783036, 81870313, 93566072, 163740626, 187132144, 327481252, 654962504, 1309925008]

約数ペア:

[(1, 1309925008), (2, 654962504), (4, 327481252), (7, 187132144), (8, 163740626), (14, 93566072), (16, 81870313), (28, 46783036), (56, 23391518), (71, 18449648), (112, 11695759), (142, 9224824), (284, 4612412), (497, 2635664), (568, 2306206), (994, 1317832), (1136, 1153103), (1988, 658916), (3976, 329458), (7952, 164729)]