128540416

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{11677}}^1$

素因数の和:11736

約数の個数: 36

約数和(自身を含む): 262568152

約数和(自身を除く): 134027736

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2752, 5504, 11008, 11677, 23354, 46708, 93416, 186832, 373664, 502111, 747328, 1004222, 1494656, 2008444, 2989312, 4016888, 8033776, 16067552, 32135104, 64270208, 128540416]

約数ペア:

[(1, 128540416), (2, 64270208), (4, 32135104), (8, 16067552), (16, 8033776), (32, 4016888), (43, 2989312), (64, 2008444), (86, 1494656), (128, 1004222), (172, 747328), (256, 502111), (344, 373664), (688, 186832), (1376, 93416), (2752, 46708), (5504, 23354), (11008, 11677)]