31441498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20129}}^1$

素因数の和:20213

約数の個数: 16

約数和(自身を含む): 52176960

約数和(自身を除く): 20735462

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20129, 40258, 221419, 442838, 1429159, 2858318, 15720749, 31441498]

約数ペア:

[(1, 31441498), (2, 15720749), (11, 2858318), (22, 1429159), (71, 442838), (142, 221419), (781, 40258), (1562, 20129)]