128657152

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 281180816

約数和(自身を除く): 152523664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 536, 577, 832, 871, 1072, 1154, 1664, 1742, 2144, 2308, 3328, 3484, 4288, 4616, 6968, 7501, 8576, 9232, 13936, 15002, 17152, 18464, 27872, 30004, 36928, 38659, 55744, 60008, 73856, 77318, 111488, 120016, 147712, 154636, 222976, 240032, 309272, 480064, 502567, 618544, 960128, 1005134, 1237088, 1920256, 2010268, 2474176, 4020536, 4948352, 8041072, 9896704, 16082144, 32164288, 64328576, 128657152]

約数ペア:

[(1, 128657152), (2, 64328576), (4, 32164288), (8, 16082144), (13, 9896704), (16, 8041072), (26, 4948352), (32, 4020536), (52, 2474176), (64, 2010268), (67, 1920256), (104, 1237088), (128, 1005134), (134, 960128), (208, 618544), (256, 502567), (268, 480064), (416, 309272), (536, 240032), (577, 222976), (832, 154636), (871, 147712), (1072, 120016), (1154, 111488), (1664, 77318), (1742, 73856), (2144, 60008), (2308, 55744), (3328, 38659), (3484, 36928), (4288, 30004), (4616, 27872), (6968, 18464), (7501, 17152), (8576, 15002), (9232, 13936)]