8139893944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{1231}}^1$

素因数の和:1581

約数の個数: 128

約数和(自身を含む): 19472302080

約数和(自身を除く): 11332408136

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 293, 364, 403, 434, 586, 728, 806, 868, 1172, 1231, 1612, 1736, 2051, 2344, 2462, 2821, 3224, 3809, 4102, 4924, 5642, 7618, 8204, 8617, 9083, 9848, 11284, 15236, 16003, 16408, 17234, 18166, 22568, 26663, 30472, 32006, 34468, 36332, 38161, 53326, 63581, 64012, 68936, 72664, 76322, 106652, 112021, 118079, 127162, 128024, 152644, 213304, 224042, 236158, 254324, 267127, 305288, 360683, 448084, 472316, 496093, 508648, 534254, 721366, 826553, 896168, 944632, 992186, 1068508, 1442732, 1653106, 1984372, 2137016, 2524781, 2885464, 3306212, 3472651, 3968744, 4688879, 5049562, 6612424, 6945302, 9377758, 10099124, 11181173, 13890604, 18755516, 20198248, 22362346, 27781208, 32822153, 37511032, 44724692, 65644306, 78268211, 89449384, 131288612, 145355249, 156536422, 262577224, 290710498, 313072844, 581420996, 626145688, 1017486743, 1162841992, 2034973486, 4069946972, 8139893944]

約数ペア:

[(1, 8139893944), (2, 4069946972), (4, 2034973486), (7, 1162841992), (8, 1017486743), (13, 626145688), (14, 581420996), (26, 313072844), (28, 290710498), (31, 262577224), (52, 156536422), (56, 145355249), (62, 131288612), (91, 89449384), (104, 78268211), (124, 65644306), (182, 44724692), (217, 37511032), (248, 32822153), (293, 27781208), (364, 22362346), (403, 20198248), (434, 18755516), (586, 13890604), (728, 11181173), (806, 10099124), (868, 9377758), (1172, 6945302), (1231, 6612424), (1612, 5049562), (1736, 4688879), (2051, 3968744), (2344, 3472651), (2462, 3306212), (2821, 2885464), (3224, 2524781), (3809, 2137016), (4102, 1984372), (4924, 1653106), (5642, 1442732), (7618, 1068508), (8204, 992186), (8617, 944632), (9083, 896168), (9848, 826553), (11284, 721366), (15236, 534254), (16003, 508648), (16408, 496093), (17234, 472316), (18166, 448084), (22568, 360683), (26663, 305288), (30472, 267127), (32006, 254324), (34468, 236158), (36332, 224042), (38161, 213304), (53326, 152644), (63581, 128024), (64012, 127162), (68936, 118079), (72664, 112021), (76322, 106652)]