28819830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73897}}^1$

素因数の和:73920

約数の個数: 32

約数和(自身を含む): 74489184

約数和(自身を除く): 45669354

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73897, 147794, 221691, 369485, 443382, 738970, 960661, 1108455, 1921322, 2216910, 2881983, 4803305, 5763966, 9606610, 14409915, 28819830]

約数ペア:

[(1, 28819830), (2, 14409915), (3, 9606610), (5, 5763966), (6, 4803305), (10, 2881983), (13, 2216910), (15, 1921322), (26, 1108455), (30, 960661), (39, 738970), (65, 443382), (78, 369485), (130, 221691), (195, 147794), (390, 73897)]