1689256898

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1\times {\mathrm{3001}}^1$

素因数の和:4338

約数の個数: 32

約数和(自身を含む): 2992585728

約数和(自身を除く): 1303328830

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 1297, 2594, 3001, 6002, 9079, 18158, 21007, 40207, 42014, 80414, 93031, 186062, 281449, 562898, 651217, 1302434, 3892297, 7784594, 27246079, 54492158, 120661207, 241322414, 844628449, 1689256898]

約数ペア:

[(1, 1689256898), (2, 844628449), (7, 241322414), (14, 120661207), (31, 54492158), (62, 27246079), (217, 7784594), (434, 3892297), (1297, 1302434), (2594, 651217), (3001, 562898), (6002, 281449), (9079, 186062), (18158, 93031), (21007, 80414), (40207, 42014)]