890507468

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1381}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 1675382016

約数和(自身を除く): 784874548

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 163, 172, 326, 652, 989, 1381, 1978, 2762, 3749, 3956, 5524, 7009, 7498, 14018, 14996, 28036, 31763, 59383, 63526, 118766, 127052, 161207, 225103, 237532, 322414, 450206, 644828, 900412, 1365809, 2731618, 5177369, 5463236, 9679429, 10354738, 19358858, 20709476, 38717716, 222626867, 445253734, 890507468]

約数ペア:

[(1, 890507468), (2, 445253734), (4, 222626867), (23, 38717716), (43, 20709476), (46, 19358858), (86, 10354738), (92, 9679429), (163, 5463236), (172, 5177369), (326, 2731618), (652, 1365809), (989, 900412), (1381, 644828), (1978, 450206), (2762, 322414), (3749, 237532), (3956, 225103), (5524, 161207), (7009, 127052), (7498, 118766), (14018, 63526), (14996, 59383), (28036, 31763)]