172665974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{390647}}^1$

素因数の和:390679

約数の個数: 16

約数和(自身を含む): 295329888

約数和(自身を除く): 122663914

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 390647, 781294, 5078411, 6640999, 10156822, 13281998, 86332987, 172665974]

約数ペア:

[(1, 172665974), (2, 86332987), (13, 13281998), (17, 10156822), (26, 6640999), (34, 5078411), (221, 781294), (442, 390647)]