209454064

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{54319}}^1$

素因数の和:54568

約数の個数: 20

約数和(自身を含む): 407508640

約数和(自身を除く): 198054576

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 54319, 108638, 217276, 434552, 869104, 13090879, 26181758, 52363516, 104727032, 209454064]

約数ペア:

[(1, 209454064), (2, 104727032), (4, 52363516), (8, 26181758), (16, 13090879), (241, 869104), (482, 434552), (964, 217276), (1928, 108638), (3856, 54319)]