156981906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1597}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 350997504

約数和(自身を除く): 194015598

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 254, 258, 381, 387, 762, 774, 1143, 1597, 2286, 3194, 4791, 5461, 9582, 10922, 14373, 16383, 28746, 32766, 49149, 68671, 98298, 137342, 202819, 206013, 405638, 412026, 608457, 618039, 1216914, 1236078, 1825371, 3650742, 8721217, 17442434, 26163651, 52327302, 78490953, 156981906]

約数ペア:

[(1, 156981906), (2, 78490953), (3, 52327302), (6, 26163651), (9, 17442434), (18, 8721217), (43, 3650742), (86, 1825371), (127, 1236078), (129, 1216914), (254, 618039), (258, 608457), (381, 412026), (387, 405638), (762, 206013), (774, 202819), (1143, 137342), (1597, 98298), (2286, 68671), (3194, 49149), (4791, 32766), (5461, 28746), (9582, 16383), (10922, 14373)]