28250306

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{19979}}^1$

素因数の和:20089

約数の個数: 16

約数和(自身を含む): 48911040

約数和(自身を除く): 20660734

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 19979, 39958, 139853, 279706, 2017879, 4035758, 14125153, 28250306]

約数ペア:

[(1, 28250306), (2, 14125153), (7, 4035758), (14, 2017879), (101, 279706), (202, 139853), (707, 39958), (1414, 19979)]