1389738688

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{1670359}}^1$

素因数の和:1670384

約数の個数: 28

約数和(自身を含む): 2969900080

約数和(自身を除く): 1580161392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 1670359, 3340718, 6681436, 13362872, 21714667, 26725744, 43429334, 53451488, 86858668, 106902976, 173717336, 347434672, 694869344, 1389738688]

約数ペア:

[(1, 1389738688), (2, 694869344), (4, 347434672), (8, 173717336), (13, 106902976), (16, 86858668), (26, 53451488), (32, 43429334), (52, 26725744), (64, 21714667), (104, 13362872), (208, 6681436), (416, 3340718), (832, 1670359)]