1403225990

素因数分解:

$2^1\times 5^1\times {\mathrm{10979}}^1\times {\mathrm{12781}}^1$

素因数の和:23767

約数の個数: 16

約数和(自身を含む): 2526234480

約数和(自身を除く): 1123008490

約数列:

[1, 2, 5, 10, 10979, 12781, 21958, 25562, 54895, 63905, 109790, 127810, 140322599, 280645198, 701612995, 1403225990]

約数ペア:

[(1, 1403225990), (2, 701612995), (5, 280645198), (10, 140322599), (10979, 127810), (12781, 109790), (21958, 63905), (25562, 54895)]