128855168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 278517120

約数和(自身を除く): 149661952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 211, 367, 416, 422, 734, 832, 844, 1468, 1664, 1688, 2743, 2936, 3376, 4771, 5486, 5872, 6752, 9542, 10972, 11744, 13504, 19084, 21944, 23488, 27008, 38168, 43888, 46976, 76336, 77437, 87776, 152672, 154874, 175552, 305344, 309748, 351104, 610688, 619496, 1006681, 1238992, 2013362, 2477984, 4026724, 4955968, 8053448, 9911936, 16106896, 32213792, 64427584, 128855168]

約数ペア:

[(1, 128855168), (2, 64427584), (4, 32213792), (8, 16106896), (13, 9911936), (16, 8053448), (26, 4955968), (32, 4026724), (52, 2477984), (64, 2013362), (104, 1238992), (128, 1006681), (208, 619496), (211, 610688), (367, 351104), (416, 309748), (422, 305344), (734, 175552), (832, 154874), (844, 152672), (1468, 87776), (1664, 77437), (1688, 76336), (2743, 46976), (2936, 43888), (3376, 38168), (4771, 27008), (5486, 23488), (5872, 21944), (6752, 19084), (9542, 13504), (10972, 11744)]