215690384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{148139}}^1$

素因数の和:148167

約数の個数: 40

約数和(自身を含む): 514342080

約数和(自身を除く): 298651696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 148139, 296278, 592556, 1036973, 1185112, 1925807, 2073946, 2370224, 3851614, 4147892, 7703228, 8295784, 13480649, 15406456, 16591568, 26961298, 30812912, 53922596, 107845192, 215690384]

約数ペア:

[(1, 215690384), (2, 107845192), (4, 53922596), (7, 30812912), (8, 26961298), (13, 16591568), (14, 15406456), (16, 13480649), (26, 8295784), (28, 7703228), (52, 4147892), (56, 3851614), (91, 2370224), (104, 2073946), (112, 1925807), (182, 1185112), (208, 1036973), (364, 592556), (728, 296278), (1456, 148139)]