217448434

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{218761}}^1$

素因数の和:218841

約数の個数: 16

約数和(自身を含む): 378020736

約数和(自身を除く): 160572302

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 218761, 437522, 1531327, 3062654, 15532031, 31064062, 108724217, 217448434]

約数ペア:

[(1, 217448434), (2, 108724217), (7, 31064062), (14, 15532031), (71, 3062654), (142, 1531327), (497, 437522), (994, 218761)]