15886990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3109}}^1$

素因数の和:3196

約数の個数: 32

約数和(自身を含む): 33140160

約数和(自身を除く): 17253170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3109, 5110, 6218, 15545, 21763, 31090, 43526, 108815, 217630, 226957, 453914, 1134785, 1588699, 2269570, 3177398, 7943495, 15886990]

約数ペア:

[(1, 15886990), (2, 7943495), (5, 3177398), (7, 2269570), (10, 1588699), (14, 1134785), (35, 453914), (70, 226957), (73, 217630), (146, 108815), (365, 43526), (511, 31090), (730, 21763), (1022, 15545), (2555, 6218), (3109, 5110)]