28640128

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{20341}}^1$

素因数の和:20366

約数の個数: 32

約数和(自身を含む): 62246520

約数和(自身を除く): 33606392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 20341, 40682, 81364, 162728, 223751, 325456, 447502, 650912, 895004, 1301824, 1790008, 2603648, 3580016, 7160032, 14320064, 28640128]

約数ペア:

[(1, 28640128), (2, 14320064), (4, 7160032), (8, 3580016), (11, 2603648), (16, 1790008), (22, 1301824), (32, 895004), (44, 650912), (64, 447502), (88, 325456), (128, 223751), (176, 162728), (352, 81364), (704, 40682), (1408, 20341)]