28976545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 39118464

約数和(自身を除く): 10141919

約数列:

[1, 5, 13, 41, 65, 83, 131, 205, 415, 533, 655, 1079, 1703, 2665, 3403, 5371, 5395, 8515, 10873, 17015, 26855, 44239, 54365, 69823, 141349, 221195, 349115, 445793, 706745, 2228965, 5795309, 28976545]

約数ペア:

[(1, 28976545), (5, 5795309), (13, 2228965), (41, 706745), (65, 445793), (83, 349115), (131, 221195), (205, 141349), (415, 69823), (533, 54365), (655, 44239), (1079, 26855), (1703, 17015), (2665, 10873), (3403, 8515), (5371, 5395)]