28533206975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12542069}}^1$

素因数の和:12542099

約数の個数: 24

約数和(自身を含む): 43546067040

約数和(自身を除く): 15012860065

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 12542069, 62710345, 87794483, 163046897, 313551725, 438972415, 815234485, 1141328279, 2194862075, 4076172425, 5706641395, 28533206975]

約数ペア:

[(1, 28533206975), (5, 5706641395), (7, 4076172425), (13, 2194862075), (25, 1141328279), (35, 815234485), (65, 438972415), (91, 313551725), (175, 163046897), (325, 87794483), (455, 62710345), (2275, 12542069)]