128159872

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{58897}}^1$

素因数の和:58928

約数の個数: 32

約数和(自身を含む): 270341820

約数和(自身を除く): 142181948

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 58897, 117794, 235588, 471176, 942352, 1001249, 1884704, 2002498, 3769408, 4004996, 7538816, 8009992, 16019984, 32039968, 64079936, 128159872]

約数ペア:

[(1, 128159872), (2, 64079936), (4, 32039968), (8, 16019984), (16, 8009992), (17, 7538816), (32, 4004996), (34, 3769408), (64, 2002498), (68, 1884704), (128, 1001249), (136, 942352), (272, 471176), (544, 235588), (1088, 117794), (2176, 58897)]