28701253

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 7794107

約数列:

[1, 7, 17, 43, 71, 79, 119, 301, 497, 553, 731, 1207, 1343, 3053, 3397, 5117, 5609, 8449, 9401, 21371, 23779, 39263, 51901, 57749, 95353, 241187, 363307, 404243, 667471, 1688309, 4100179, 28701253]

約数ペア:

[(1, 28701253), (7, 4100179), (17, 1688309), (43, 667471), (71, 404243), (79, 363307), (119, 241187), (301, 95353), (497, 57749), (553, 51901), (731, 39263), (1207, 23779), (1343, 21371), (3053, 9401), (3397, 8449), (5117, 5609)]