221158756

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 520838640

約数和(自身を除く): 299679884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 41, 49, 52, 58, 73, 82, 91, 98, 116, 146, 164, 182, 196, 203, 287, 292, 364, 377, 406, 511, 533, 574, 637, 754, 812, 949, 1022, 1066, 1148, 1189, 1274, 1421, 1508, 1898, 2009, 2044, 2117, 2132, 2378, 2548, 2639, 2842, 2993, 3577, 3731, 3796, 4018, 4234, 4756, 5278, 5684, 5986, 6643, 7154, 7462, 8036, 8323, 8468, 10556, 11972, 13286, 14308, 14819, 14924, 15457, 16646, 18473, 20951, 26117, 26572, 27521, 29638, 30914, 33292, 36946, 38909, 41902, 46501, 52234, 55042, 58261, 59276, 61828, 73892, 77818, 83804, 86797, 93002, 103733, 104468, 108199, 110084, 116522, 146657, 155636, 173594, 186004, 192647, 207466, 216398, 233044, 272363, 293314, 347188, 385294, 414932, 432796, 544726, 586628, 607579, 757393, 770588, 1089452, 1128361, 1215158, 1348529, 1514786, 1906541, 2256722, 2430316, 2697058, 3029572, 3813082, 4253053, 4513444, 5394116, 7626164, 7898527, 8506106, 15797054, 17012212, 31594108, 55289689, 110579378, 221158756]

約数ペア:

[(1, 221158756), (2, 110579378), (4, 55289689), (7, 31594108), (13, 17012212), (14, 15797054), (26, 8506106), (28, 7898527), (29, 7626164), (41, 5394116), (49, 4513444), (52, 4253053), (58, 3813082), (73, 3029572), (82, 2697058), (91, 2430316), (98, 2256722), (116, 1906541), (146, 1514786), (164, 1348529), (182, 1215158), (196, 1128361), (203, 1089452), (287, 770588), (292, 757393), (364, 607579), (377, 586628), (406, 544726), (511, 432796), (533, 414932), (574, 385294), (637, 347188), (754, 293314), (812, 272363), (949, 233044), (1022, 216398), (1066, 207466), (1148, 192647), (1189, 186004), (1274, 173594), (1421, 155636), (1508, 146657), (1898, 116522), (2009, 110084), (2044, 108199), (2117, 104468), (2132, 103733), (2378, 93002), (2548, 86797), (2639, 83804), (2842, 77818), (2993, 73892), (3577, 61828), (3731, 59276), (3796, 58261), (4018, 55042), (4234, 52234), (4756, 46501), (5278, 41902), (5684, 38909), (5986, 36946), (6643, 33292), (7154, 30914), (7462, 29638), (8036, 27521), (8323, 26572), (8468, 26117), (10556, 20951), (11972, 18473), (13286, 16646), (14308, 15457), (14819, 14924)]