31161228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^2$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 87397632

約数和(自身を除く): 56236404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 127, 138, 161, 254, 276, 322, 381, 483, 508, 644, 762, 889, 966, 1524, 1778, 1932, 2667, 2921, 3556, 5334, 5842, 8763, 10668, 11684, 16129, 17526, 20447, 32258, 35052, 40894, 48387, 61341, 64516, 81788, 96774, 112903, 122682, 193548, 225806, 245364, 338709, 370967, 451612, 677418, 741934, 1112901, 1354836, 1483868, 2225802, 2596769, 4451604, 5193538, 7790307, 10387076, 15580614, 31161228]

約数ペア:

[(1, 31161228), (2, 15580614), (3, 10387076), (4, 7790307), (6, 5193538), (7, 4451604), (12, 2596769), (14, 2225802), (21, 1483868), (23, 1354836), (28, 1112901), (42, 741934), (46, 677418), (69, 451612), (84, 370967), (92, 338709), (127, 245364), (138, 225806), (161, 193548), (254, 122682), (276, 112903), (322, 96774), (381, 81788), (483, 64516), (508, 61341), (644, 48387), (762, 40894), (889, 35052), (966, 32258), (1524, 20447), (1778, 17526), (1932, 16129), (2667, 11684), (2921, 10668), (3556, 8763), (5334, 5842)]