11985136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 24842160

約数和(自身を除く): 12857024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 317, 556, 634, 1112, 1268, 2224, 2363, 2536, 4726, 5072, 5389, 9452, 10778, 18904, 21556, 37808, 43112, 44063, 86224, 88126, 176252, 352504, 705008, 749071, 1498142, 2996284, 5992568, 11985136]

約数ペア:

[(1, 11985136), (2, 5992568), (4, 2996284), (8, 1498142), (16, 749071), (17, 705008), (34, 352504), (68, 176252), (136, 88126), (139, 86224), (272, 44063), (278, 43112), (317, 37808), (556, 21556), (634, 18904), (1112, 10778), (1268, 9452), (2224, 5389), (2363, 5072), (2536, 4726)]