180000004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{3163}}^1$

素因数の和:3555

約数の個数: 24

約数和(自身を含む): 323715168

約数和(自身を除く): 143715164

約数列:

[1, 2, 4, 41, 82, 164, 347, 694, 1388, 3163, 6326, 12652, 14227, 28454, 56908, 129683, 259366, 518732, 1097561, 2195122, 4390244, 45000001, 90000002, 180000004]

約数ペア:

[(1, 180000004), (2, 90000002), (4, 45000001), (41, 4390244), (82, 2195122), (164, 1097561), (347, 518732), (694, 259366), (1388, 129683), (3163, 56908), (6326, 28454), (12652, 14227)]