28704884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17807}}^1$

素因数の和:17855

約数の個数: 24

約数和(自身を含む): 55845888

約数和(自身を除く): 27141004

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 17807, 35614, 71228, 231491, 462982, 552017, 925964, 1104034, 2208068, 7176221, 14352442, 28704884]

約数ペア:

[(1, 28704884), (2, 14352442), (4, 7176221), (13, 2208068), (26, 1104034), (31, 925964), (52, 552017), (62, 462982), (124, 231491), (403, 71228), (806, 35614), (1612, 17807)]