890356

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 1640520

約数和(自身を除く): 750164

約数列:

[1, 2, 4, 41, 61, 82, 89, 122, 164, 178, 244, 356, 2501, 3649, 5002, 5429, 7298, 10004, 10858, 14596, 21716, 222589, 445178, 890356]

約数ペア:

[(1, 890356), (2, 445178), (4, 222589), (41, 21716), (61, 14596), (82, 10858), (89, 10004), (122, 7298), (164, 5429), (178, 5002), (244, 3649), (356, 2501)]