128712896

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2309}}^1$

素因数の和:2401

約数の個数: 56

約数和(自身を含む): 279288240

約数和(自身を除く): 150575344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 416, 536, 832, 871, 1072, 1742, 2144, 2309, 3484, 4288, 4618, 6968, 9236, 13936, 18472, 27872, 30017, 36944, 55744, 60034, 73888, 120068, 147776, 154703, 240136, 309406, 480272, 618812, 960544, 1237624, 1921088, 2011139, 2475248, 4022278, 4950496, 8044556, 9900992, 16089112, 32178224, 64356448, 128712896]

約数ペア:

[(1, 128712896), (2, 64356448), (4, 32178224), (8, 16089112), (13, 9900992), (16, 8044556), (26, 4950496), (32, 4022278), (52, 2475248), (64, 2011139), (67, 1921088), (104, 1237624), (134, 960544), (208, 618812), (268, 480272), (416, 309406), (536, 240136), (832, 154703), (871, 147776), (1072, 120068), (1742, 73888), (2144, 60034), (2309, 55744), (3484, 36944), (4288, 30017), (4618, 27872), (6968, 18472), (9236, 13936)]