15978026

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 9872854

約数列:

[1, 2, 43, 47, 59, 67, 86, 94, 118, 134, 2021, 2537, 2773, 2881, 3149, 3953, 4042, 5074, 5546, 5762, 6298, 7906, 119239, 135407, 169979, 185791, 238478, 270814, 339958, 371582, 7989013, 15978026]

約数ペア:

[(1, 15978026), (2, 7989013), (43, 371582), (47, 339958), (59, 270814), (67, 238478), (86, 185791), (94, 169979), (118, 135407), (134, 119239), (2021, 7906), (2537, 6298), (2773, 5762), (2881, 5546), (3149, 5074), (3953, 4042)]