129619312

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{74323}}^1$

素因数の和:74440

約数の個数: 20

約数和(自身を含む): 253444840

約数和(自身を除く): 123825528

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 74323, 148646, 297292, 594584, 1189168, 8101207, 16202414, 32404828, 64809656, 129619312]

約数ペア:

[(1, 129619312), (2, 64809656), (4, 32404828), (8, 16202414), (16, 8101207), (109, 1189168), (218, 594584), (436, 297292), (872, 148646), (1744, 74323)]