128551136

素因数分解:

$2^5\times 7^1\times {\mathrm{647}}^1\times {\mathrm{887}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 290013696

約数和(自身を除く): 161462560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 647, 887, 1294, 1774, 2588, 3548, 4529, 5176, 6209, 7096, 9058, 10352, 12418, 14192, 18116, 20704, 24836, 28384, 36232, 49672, 72464, 99344, 144928, 198688, 573889, 1147778, 2295556, 4017223, 4591112, 8034446, 9182224, 16068892, 18364448, 32137784, 64275568, 128551136]

約数ペア:

[(1, 128551136), (2, 64275568), (4, 32137784), (7, 18364448), (8, 16068892), (14, 9182224), (16, 8034446), (28, 4591112), (32, 4017223), (56, 2295556), (112, 1147778), (224, 573889), (647, 198688), (887, 144928), (1294, 99344), (1774, 72464), (2588, 49672), (3548, 36232), (4529, 28384), (5176, 24836), (6209, 20704), (7096, 18116), (9058, 14192), (10352, 12418)]