28565500405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{108217}}^1$

素因数の和:108397

約数の個数: 32

約数和(自身を含む): 38397477888

約数和(自身を除く): 9831977483

約数列:

[1, 5, 13, 31, 65, 131, 155, 403, 655, 1703, 2015, 4061, 8515, 20305, 52793, 108217, 263965, 541085, 1406821, 3354727, 7034105, 14176427, 16773635, 43611451, 70882135, 184293551, 218057255, 439469237, 921467755, 2197346185, 5713100081, 28565500405]

約数ペア:

[(1, 28565500405), (5, 5713100081), (13, 2197346185), (31, 921467755), (65, 439469237), (131, 218057255), (155, 184293551), (403, 70882135), (655, 43611451), (1703, 16773635), (2015, 14176427), (4061, 7034105), (8515, 3354727), (20305, 1406821), (52793, 541085), (108217, 263965)]