39943982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90371}}^1$

素因数の和:90403

約数の個数: 16

約数和(自身を含む): 68321232

約数和(自身を除く): 28377250

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 90371, 180742, 1174823, 1536307, 2349646, 3072614, 19971991, 39943982]

約数ペア:

[(1, 39943982), (2, 19971991), (13, 3072614), (17, 2349646), (26, 1536307), (34, 1174823), (221, 180742), (442, 90371)]