15790278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{947}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 36221184

約数和(自身を除く): 20430906

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 947, 1191, 1894, 2382, 2779, 2841, 5558, 5682, 6629, 8337, 13258, 16674, 19887, 39774, 375959, 751918, 1127877, 2255754, 2631713, 5263426, 7895139, 15790278]

約数ペア:

[(1, 15790278), (2, 7895139), (3, 5263426), (6, 2631713), (7, 2255754), (14, 1127877), (21, 751918), (42, 375959), (397, 39774), (794, 19887), (947, 16674), (1191, 13258), (1894, 8337), (2382, 6629), (2779, 5682), (2841, 5558)]