217620984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:977

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 445931016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 79, 84, 114, 133, 152, 158, 168, 228, 237, 266, 316, 399, 456, 474, 532, 553, 632, 798, 863, 948, 1064, 1106, 1501, 1596, 1659, 1726, 1896, 2212, 2589, 3002, 3192, 3318, 3452, 4424, 4503, 5178, 6004, 6041, 6636, 6904, 9006, 10356, 10507, 12008, 12082, 13272, 16397, 18012, 18123, 20712, 21014, 24164, 31521, 32794, 36024, 36246, 42028, 48328, 49191, 63042, 65588, 68177, 72492, 84056, 98382, 114779, 126084, 131176, 136354, 144984, 196764, 204531, 229558, 252168, 272708, 344337, 393528, 409062, 459116, 477239, 545416, 688674, 818124, 918232, 954478, 1295363, 1377348, 1431717, 1636248, 1908956, 2590726, 2754696, 2863434, 3817912, 3886089, 5181452, 5726868, 7772178, 9067541, 10362904, 11453736, 15544356, 18135082, 27202623, 31088712, 36270164, 54405246, 72540328, 108810492, 217620984]

約数ペア:

[(1, 217620984), (2, 108810492), (3, 72540328), (4, 54405246), (6, 36270164), (7, 31088712), (8, 27202623), (12, 18135082), (14, 15544356), (19, 11453736), (21, 10362904), (24, 9067541), (28, 7772178), (38, 5726868), (42, 5181452), (56, 3886089), (57, 3817912), (76, 2863434), (79, 2754696), (84, 2590726), (114, 1908956), (133, 1636248), (152, 1431717), (158, 1377348), (168, 1295363), (228, 954478), (237, 918232), (266, 818124), (316, 688674), (399, 545416), (456, 477239), (474, 459116), (532, 409062), (553, 393528), (632, 344337), (798, 272708), (863, 252168), (948, 229558), (1064, 204531), (1106, 196764), (1501, 144984), (1596, 136354), (1659, 131176), (1726, 126084), (1896, 114779), (2212, 98382), (2589, 84056), (3002, 72492), (3192, 68177), (3318, 65588), (3452, 63042), (4424, 49191), (4503, 48328), (5178, 42028), (6004, 36246), (6041, 36024), (6636, 32794), (6904, 31521), (9006, 24164), (10356, 21014), (10507, 20712), (12008, 18123), (12082, 18012), (13272, 16397)]