128402512

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{11351}}^1$

素因数の和:11467

約数の個数: 40

約数和(自身を含む): 287160192

約数和(自身を除く): 158757680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 5656, 11312, 11351, 22702, 45404, 79457, 90808, 158914, 181616, 317828, 635656, 1146451, 1271312, 2292902, 4585804, 8025157, 9171608, 16050314, 18343216, 32100628, 64201256, 128402512]

約数ペア:

[(1, 128402512), (2, 64201256), (4, 32100628), (7, 18343216), (8, 16050314), (14, 9171608), (16, 8025157), (28, 4585804), (56, 2292902), (101, 1271312), (112, 1146451), (202, 635656), (404, 317828), (707, 181616), (808, 158914), (1414, 90808), (1616, 79457), (2828, 45404), (5656, 22702), (11312, 11351)]