128737308028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1\times {\mathrm{2381}}^1$

素因数の和:2963

約数の個数: 96

約数和(自身を含む): 268201156608

約数和(自身を除く): 139463848580

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 167, 217, 334, 373, 434, 668, 746, 868, 1169, 1492, 2338, 2381, 2611, 4676, 4762, 5177, 5222, 9524, 10354, 10444, 11563, 16667, 20708, 23126, 33334, 36239, 46252, 62291, 66668, 72478, 73811, 80941, 124582, 144956, 147622, 161882, 249164, 295244, 323764, 397627, 436037, 516677, 795254, 872074, 888113, 1033354, 1590508, 1744148, 1776226, 1931021, 2066708, 2783389, 3552452, 3862042, 5566778, 6216791, 7724084, 11133556, 12326437, 12433582, 13517147, 24652874, 24867164, 27034294, 27531503, 49305748, 54068588, 55063006, 86285059, 110126012, 148314871, 172570118, 192720521, 296629742, 345140236, 385441042, 593259484, 770882084, 1038204097, 2076408194, 4152816388, 4597761001, 9195522002, 18391044004, 32184327007, 64368654014, 128737308028]

約数ペア:

[(1, 128737308028), (2, 64368654014), (4, 32184327007), (7, 18391044004), (14, 9195522002), (28, 4597761001), (31, 4152816388), (62, 2076408194), (124, 1038204097), (167, 770882084), (217, 593259484), (334, 385441042), (373, 345140236), (434, 296629742), (668, 192720521), (746, 172570118), (868, 148314871), (1169, 110126012), (1492, 86285059), (2338, 55063006), (2381, 54068588), (2611, 49305748), (4676, 27531503), (4762, 27034294), (5177, 24867164), (5222, 24652874), (9524, 13517147), (10354, 12433582), (10444, 12326437), (11563, 11133556), (16667, 7724084), (20708, 6216791), (23126, 5566778), (33334, 3862042), (36239, 3552452), (46252, 2783389), (62291, 2066708), (66668, 1931021), (72478, 1776226), (73811, 1744148), (80941, 1590508), (124582, 1033354), (144956, 888113), (147622, 872074), (161882, 795254), (249164, 516677), (295244, 436037), (323764, 397627)]