863604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 2620800

約数和(自身を除く): 1757196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 149, 161, 207, 252, 276, 298, 322, 414, 447, 483, 596, 644, 828, 894, 966, 1043, 1341, 1449, 1788, 1932, 2086, 2682, 2898, 3129, 3427, 4172, 5364, 5796, 6258, 6854, 9387, 10281, 12516, 13708, 18774, 20562, 23989, 30843, 37548, 41124, 47978, 61686, 71967, 95956, 123372, 143934, 215901, 287868, 431802, 863604]

約数ペア:

[(1, 863604), (2, 431802), (3, 287868), (4, 215901), (6, 143934), (7, 123372), (9, 95956), (12, 71967), (14, 61686), (18, 47978), (21, 41124), (23, 37548), (28, 30843), (36, 23989), (42, 20562), (46, 18774), (63, 13708), (69, 12516), (84, 10281), (92, 9387), (126, 6854), (138, 6258), (149, 5796), (161, 5364), (207, 4172), (252, 3427), (276, 3129), (298, 2898), (322, 2682), (414, 2086), (447, 1932), (483, 1788), (596, 1449), (644, 1341), (828, 1043), (894, 966)]