28788724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9239}}^1$

素因数の和:9303

約数の個数: 24

約数和(自身を含む): 54331200

約数和(自身を除く): 25542476

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 9239, 18478, 36956, 175541, 351082, 378799, 702164, 757598, 1515196, 7197181, 14394362, 28788724]

約数ペア:

[(1, 28788724), (2, 14394362), (4, 7197181), (19, 1515196), (38, 757598), (41, 702164), (76, 378799), (82, 351082), (164, 175541), (779, 36956), (1558, 18478), (3116, 9239)]