221323494

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 549964800

約数和(自身を除く): 328641306

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 43, 49, 61, 82, 86, 98, 122, 123, 129, 147, 183, 246, 258, 287, 294, 301, 343, 366, 427, 574, 602, 686, 854, 861, 903, 1029, 1281, 1722, 1763, 1806, 2009, 2058, 2107, 2501, 2562, 2623, 2989, 3526, 4018, 4214, 5002, 5246, 5289, 5978, 6027, 6321, 7503, 7869, 8967, 10578, 12054, 12341, 12642, 14063, 14749, 15006, 15738, 17507, 17934, 18361, 20923, 24682, 28126, 29498, 35014, 36722, 37023, 41846, 42189, 44247, 52521, 55083, 62769, 74046, 84378, 86387, 88494, 105042, 107543, 110166, 122549, 125538, 128527, 172774, 215086, 245098, 257054, 259161, 322629, 367647, 385581, 518322, 604709, 645258, 735294, 752801, 771162, 857843, 899689, 1209418, 1505602, 1715686, 1799378, 1814127, 2258403, 2573529, 2699067, 3628254, 4516806, 5147058, 5269607, 5398134, 10539214, 15808821, 31617642, 36887249, 73774498, 110661747, 221323494]

約数ペア:

[(1, 221323494), (2, 110661747), (3, 73774498), (6, 36887249), (7, 31617642), (14, 15808821), (21, 10539214), (41, 5398134), (42, 5269607), (43, 5147058), (49, 4516806), (61, 3628254), (82, 2699067), (86, 2573529), (98, 2258403), (122, 1814127), (123, 1799378), (129, 1715686), (147, 1505602), (183, 1209418), (246, 899689), (258, 857843), (287, 771162), (294, 752801), (301, 735294), (343, 645258), (366, 604709), (427, 518322), (574, 385581), (602, 367647), (686, 322629), (854, 259161), (861, 257054), (903, 245098), (1029, 215086), (1281, 172774), (1722, 128527), (1763, 125538), (1806, 122549), (2009, 110166), (2058, 107543), (2107, 105042), (2501, 88494), (2562, 86387), (2623, 84378), (2989, 74046), (3526, 62769), (4018, 55083), (4214, 52521), (5002, 44247), (5246, 42189), (5289, 41846), (5978, 37023), (6027, 36722), (6321, 35014), (7503, 29498), (7869, 28126), (8967, 24682), (10578, 20923), (12054, 18361), (12341, 17934), (12642, 17507), (14063, 15738), (14749, 15006)]