123974656

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 88

約数和(自身を含む): 272824160

約数和(自身を除く): 148849504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 139, 208, 256, 268, 278, 416, 512, 536, 556, 832, 871, 1024, 1072, 1112, 1664, 1742, 1807, 2144, 2224, 3328, 3484, 3614, 4288, 4448, 6656, 6968, 7228, 8576, 8896, 9313, 13312, 13936, 14456, 17152, 17792, 18626, 27872, 28912, 34304, 35584, 37252, 55744, 57824, 68608, 71168, 74504, 111488, 115648, 121069, 142336, 149008, 222976, 231296, 242138, 298016, 445952, 462592, 484276, 596032, 891904, 925184, 968552, 1192064, 1850368, 1937104, 2384128, 3874208, 4768256, 7748416, 9536512, 15496832, 30993664, 61987328, 123974656]

約数ペア:

[(1, 123974656), (2, 61987328), (4, 30993664), (8, 15496832), (13, 9536512), (16, 7748416), (26, 4768256), (32, 3874208), (52, 2384128), (64, 1937104), (67, 1850368), (104, 1192064), (128, 968552), (134, 925184), (139, 891904), (208, 596032), (256, 484276), (268, 462592), (278, 445952), (416, 298016), (512, 242138), (536, 231296), (556, 222976), (832, 149008), (871, 142336), (1024, 121069), (1072, 115648), (1112, 111488), (1664, 74504), (1742, 71168), (1807, 68608), (2144, 57824), (2224, 55744), (3328, 37252), (3484, 35584), (3614, 34304), (4288, 28912), (4448, 27872), (6656, 18626), (6968, 17792), (7228, 17152), (8576, 14456), (8896, 13936), (9313, 13312)]