381619888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{25841}}^1$

素因数の和:25933

約数の個数: 40

約数和(自身を含む): 807510816

約数和(自身を除く): 425890928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 25841, 51682, 103364, 206728, 335933, 413456, 671866, 1343732, 1834711, 2687464, 3669422, 5374928, 7338844, 14677688, 23851243, 29355376, 47702486, 95404972, 190809944, 381619888]

約数ペア:

[(1, 381619888), (2, 190809944), (4, 95404972), (8, 47702486), (13, 29355376), (16, 23851243), (26, 14677688), (52, 7338844), (71, 5374928), (104, 3669422), (142, 2687464), (208, 1834711), (284, 1343732), (568, 671866), (923, 413456), (1136, 335933), (1846, 206728), (3692, 103364), (7384, 51682), (14768, 25841)]