221345208

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 709478640

約数和(自身を除く): 488133432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 168, 186, 217, 248, 252, 279, 372, 434, 457, 504, 558, 651, 744, 868, 914, 961, 1116, 1302, 1371, 1736, 1828, 1922, 1953, 2232, 2604, 2742, 2883, 3199, 3656, 3844, 3906, 4113, 5208, 5484, 5766, 6398, 6727, 7688, 7812, 8226, 8649, 9597, 10968, 11532, 12796, 13454, 14167, 15624, 16452, 17298, 19194, 20181, 23064, 25592, 26908, 28334, 28791, 32904, 34596, 38388, 40362, 42501, 53816, 56668, 57582, 60543, 69192, 76776, 80724, 85002, 99169, 113336, 115164, 121086, 127503, 161448, 170004, 198338, 230328, 242172, 255006, 297507, 340008, 396676, 439177, 484344, 510012, 595014, 793352, 878354, 892521, 1020024, 1190028, 1317531, 1756708, 1785042, 2380056, 2635062, 3074239, 3513416, 3570084, 3952593, 5270124, 6148478, 7140168, 7905186, 9222717, 10540248, 12296956, 15810372, 18445434, 24593912, 27668151, 31620744, 36890868, 55336302, 73781736, 110672604, 221345208]

約数ペア:

[(1, 221345208), (2, 110672604), (3, 73781736), (4, 55336302), (6, 36890868), (7, 31620744), (8, 27668151), (9, 24593912), (12, 18445434), (14, 15810372), (18, 12296956), (21, 10540248), (24, 9222717), (28, 7905186), (31, 7140168), (36, 6148478), (42, 5270124), (56, 3952593), (62, 3570084), (63, 3513416), (72, 3074239), (84, 2635062), (93, 2380056), (124, 1785042), (126, 1756708), (168, 1317531), (186, 1190028), (217, 1020024), (248, 892521), (252, 878354), (279, 793352), (372, 595014), (434, 510012), (457, 484344), (504, 439177), (558, 396676), (651, 340008), (744, 297507), (868, 255006), (914, 242172), (961, 230328), (1116, 198338), (1302, 170004), (1371, 161448), (1736, 127503), (1828, 121086), (1922, 115164), (1953, 113336), (2232, 99169), (2604, 85002), (2742, 80724), (2883, 76776), (3199, 69192), (3656, 60543), (3844, 57582), (3906, 56668), (4113, 53816), (5208, 42501), (5484, 40362), (5766, 38388), (6398, 34596), (6727, 32904), (7688, 28791), (7812, 28334), (8226, 26908), (8649, 25592), (9597, 23064), (10968, 20181), (11532, 19194), (12796, 17298), (13454, 16452), (14167, 15624)]