199619888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1723}}^1$

素因数の和:2301

約数の個数: 40

約数和(自身を含む): 417504528

約数和(自身を除く): 217884640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 557, 1114, 1723, 2228, 3446, 4456, 6892, 7241, 8912, 13784, 14482, 22399, 27568, 28964, 44798, 57928, 89596, 115856, 179192, 358384, 959711, 1919422, 3838844, 7677688, 12476243, 15355376, 24952486, 49904972, 99809944, 199619888]

約数ペア:

[(1, 199619888), (2, 99809944), (4, 49904972), (8, 24952486), (13, 15355376), (16, 12476243), (26, 7677688), (52, 3838844), (104, 1919422), (208, 959711), (557, 358384), (1114, 179192), (1723, 115856), (2228, 89596), (3446, 57928), (4456, 44798), (6892, 28964), (7241, 27568), (8912, 22399), (13784, 14482)]