28945916

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 51744000

約数和(自身を除く): 22798084

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 556, 659, 1318, 2636, 10981, 21962, 43924, 52061, 91601, 104122, 183202, 208244, 366404, 7236479, 14472958, 28945916]

約数ペア:

[(1, 28945916), (2, 14472958), (4, 7236479), (79, 366404), (139, 208244), (158, 183202), (278, 104122), (316, 91601), (556, 52061), (659, 43924), (1318, 21962), (2636, 10981)]