221447772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2939}}^1$

素因数の和:2992

約数の個数: 144

約数和(自身を含む): 719147520

約数和(自身を除く): 497699748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 28, 36, 39, 42, 46, 52, 63, 69, 78, 84, 91, 92, 117, 126, 138, 156, 161, 182, 207, 234, 252, 273, 276, 299, 322, 364, 414, 468, 483, 546, 598, 644, 819, 828, 897, 966, 1092, 1196, 1449, 1638, 1794, 1932, 2093, 2691, 2898, 2939, 3276, 3588, 4186, 5382, 5796, 5878, 6279, 8372, 8817, 10764, 11756, 12558, 17634, 18837, 20573, 25116, 26451, 35268, 37674, 38207, 41146, 52902, 61719, 67597, 75348, 76414, 82292, 105804, 114621, 123438, 135194, 152828, 185157, 202791, 229242, 246876, 267449, 270388, 343863, 370314, 405582, 458484, 473179, 534898, 608373, 687726, 740628, 802347, 811164, 878761, 946358, 1069796, 1216746, 1375452, 1419537, 1604694, 1757522, 1892716, 2407041, 2433492, 2636283, 2839074, 3209388, 3515044, 4258611, 4814082, 5272566, 5678148, 6151327, 7908849, 8517222, 9628164, 10545132, 12302654, 15817698, 17034444, 18453981, 24605308, 31635396, 36907962, 55361943, 73815924, 110723886, 221447772]

約数ペア:

[(1, 221447772), (2, 110723886), (3, 73815924), (4, 55361943), (6, 36907962), (7, 31635396), (9, 24605308), (12, 18453981), (13, 17034444), (14, 15817698), (18, 12302654), (21, 10545132), (23, 9628164), (26, 8517222), (28, 7908849), (36, 6151327), (39, 5678148), (42, 5272566), (46, 4814082), (52, 4258611), (63, 3515044), (69, 3209388), (78, 2839074), (84, 2636283), (91, 2433492), (92, 2407041), (117, 1892716), (126, 1757522), (138, 1604694), (156, 1419537), (161, 1375452), (182, 1216746), (207, 1069796), (234, 946358), (252, 878761), (273, 811164), (276, 802347), (299, 740628), (322, 687726), (364, 608373), (414, 534898), (468, 473179), (483, 458484), (546, 405582), (598, 370314), (644, 343863), (819, 270388), (828, 267449), (897, 246876), (966, 229242), (1092, 202791), (1196, 185157), (1449, 152828), (1638, 135194), (1794, 123438), (1932, 114621), (2093, 105804), (2691, 82292), (2898, 76414), (2939, 75348), (3276, 67597), (3588, 61719), (4186, 52902), (5382, 41146), (5796, 38207), (5878, 37674), (6279, 35268), (8372, 26451), (8817, 25116), (10764, 20573), (11756, 18837), (12558, 17634)]