28514395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 43585920

約数和(自身を除く): 15071525

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2161, 2639, 10805, 13195, 15127, 28093, 62669, 75635, 140465, 196651, 313345, 438683, 814697, 983255, 2193415, 4073485, 5702879, 28514395]

約数ペア:

[(1, 28514395), (5, 5702879), (7, 4073485), (13, 2193415), (29, 983255), (35, 814697), (65, 438683), (91, 313345), (145, 196651), (203, 140465), (377, 75635), (455, 62669), (1015, 28093), (1885, 15127), (2161, 13195), (2639, 10805)]