28818839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9421}}^1$

素因数の和:9470

約数の個数: 16

約数和(自身を含む): 36180480

約数和(自身を除く): 7361641

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 9421, 65947, 178999, 216683, 1252993, 1516781, 4116977, 28818839]

約数ペア:

[(1, 28818839), (7, 4116977), (19, 1516781), (23, 1252993), (133, 216683), (161, 178999), (437, 65947), (3059, 9421)]