268258661138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{261451}}^1$

素因数の和:261583

約数の個数: 64

約数和(自身を含む): 477892423680

約数和(自身を除く): 209633762542

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 67, 134, 247, 403, 494, 589, 806, 871, 1178, 1273, 1742, 2077, 2546, 4154, 7657, 15314, 16549, 27001, 33098, 39463, 54002, 78926, 261451, 513019, 522902, 1026038, 3398863, 4967569, 6797726, 8104981, 9935138, 16209962, 17517217, 35034434, 64578397, 105364753, 129156794, 153994639, 210729506, 227723821, 307989278, 332827123, 455447642, 543033727, 665654246, 1086067454, 2001930307, 4003860614, 4326752599, 7059438451, 8653505198, 10317640813, 14118876902, 20635281626, 134129330569, 268258661138]

約数ペア:

[(1, 268258661138), (2, 134129330569), (13, 20635281626), (19, 14118876902), (26, 10317640813), (31, 8653505198), (38, 7059438451), (62, 4326752599), (67, 4003860614), (134, 2001930307), (247, 1086067454), (403, 665654246), (494, 543033727), (589, 455447642), (806, 332827123), (871, 307989278), (1178, 227723821), (1273, 210729506), (1742, 153994639), (2077, 129156794), (2546, 105364753), (4154, 64578397), (7657, 35034434), (15314, 17517217), (16549, 16209962), (27001, 9935138), (33098, 8104981), (39463, 6797726), (54002, 4967569), (78926, 3398863), (261451, 1026038), (513019, 522902)]