28491214

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2547

約数の個数: 16

約数和(自身を含む): 43880400

約数和(自身を除く): 15389186

約数列:

[1, 2, 67, 89, 134, 178, 2389, 4778, 5963, 11926, 160063, 212621, 320126, 425242, 14245607, 28491214]

約数ペア:

[(1, 28491214), (2, 14245607), (67, 425242), (89, 320126), (134, 212621), (178, 160063), (2389, 11926), (4778, 5963)]