261293256

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2833}}^1$

素因数の和:2916

約数の個数: 128

約数和(自身を含む): 843398400

約数和(自身を除く): 582105144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 72, 84, 108, 122, 126, 168, 183, 189, 216, 244, 252, 366, 378, 427, 488, 504, 549, 732, 756, 854, 1098, 1281, 1464, 1512, 1647, 1708, 2196, 2562, 2833, 3294, 3416, 3843, 4392, 5124, 5666, 6588, 7686, 8499, 10248, 11332, 11529, 13176, 15372, 16998, 19831, 22664, 23058, 25497, 30744, 33996, 39662, 46116, 50994, 59493, 67992, 76491, 79324, 92232, 101988, 118986, 152982, 158648, 172813, 178479, 203976, 237972, 305964, 345626, 356958, 475944, 518439, 535437, 611928, 691252, 713916, 1036878, 1070874, 1209691, 1382504, 1427832, 1555317, 2073756, 2141748, 2419382, 3110634, 3629073, 4147512, 4283496, 4665951, 4838764, 6221268, 7258146, 9331902, 9677528, 10887219, 12442536, 14516292, 18663804, 21774438, 29032584, 32661657, 37327608, 43548876, 65323314, 87097752, 130646628, 261293256]

約数ペア:

[(1, 261293256), (2, 130646628), (3, 87097752), (4, 65323314), (6, 43548876), (7, 37327608), (8, 32661657), (9, 29032584), (12, 21774438), (14, 18663804), (18, 14516292), (21, 12442536), (24, 10887219), (27, 9677528), (28, 9331902), (36, 7258146), (42, 6221268), (54, 4838764), (56, 4665951), (61, 4283496), (63, 4147512), (72, 3629073), (84, 3110634), (108, 2419382), (122, 2141748), (126, 2073756), (168, 1555317), (183, 1427832), (189, 1382504), (216, 1209691), (244, 1070874), (252, 1036878), (366, 713916), (378, 691252), (427, 611928), (488, 535437), (504, 518439), (549, 475944), (732, 356958), (756, 345626), (854, 305964), (1098, 237972), (1281, 203976), (1464, 178479), (1512, 172813), (1647, 158648), (1708, 152982), (2196, 118986), (2562, 101988), (2833, 92232), (3294, 79324), (3416, 76491), (3843, 67992), (4392, 59493), (5124, 50994), (5666, 46116), (6588, 39662), (7686, 33996), (8499, 30744), (10248, 25497), (11332, 23058), (11529, 22664), (13176, 19831), (15372, 16998)]