199445878

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{12517}}^1$

素因数の和:12807

約数の個数: 16

約数和(自身を含む): 310045824

約数和(自身を除く): 110599946

約数列:

[1, 2, 31, 62, 257, 514, 7967, 12517, 15934, 25034, 388027, 776054, 3216869, 6433738, 99722939, 199445878]

約数ペア:

[(1, 199445878), (2, 99722939), (31, 6433738), (62, 3216869), (257, 776054), (514, 388027), (7967, 25034), (12517, 15934)]