28890868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3919}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 53782400

約数和(自身を除く): 24891532

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 3686, 3919, 7372, 7838, 15676, 74461, 148922, 297844, 380143, 760286, 1520572, 7222717, 14445434, 28890868]

約数ペア:

[(1, 28890868), (2, 14445434), (4, 7222717), (19, 1520572), (38, 760286), (76, 380143), (97, 297844), (194, 148922), (388, 74461), (1843, 15676), (3686, 7838), (3919, 7372)]