397966685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7949}}^1$

素因数の和:8021

約数の個数: 32

約数和(自身を含む): 549504000

約数和(自身を除く): 151537315

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 323, 527, 589, 1615, 2635, 2945, 7949, 10013, 39745, 50065, 135133, 151031, 246419, 675665, 755155, 1232095, 2567527, 4189123, 4681961, 12837635, 20945615, 23409805, 79593337, 397966685]

約数ペア:

[(1, 397966685), (5, 79593337), (17, 23409805), (19, 20945615), (31, 12837635), (85, 4681961), (95, 4189123), (155, 2567527), (323, 1232095), (527, 755155), (589, 675665), (1615, 246419), (2635, 151031), (2945, 135133), (7949, 50065), (10013, 39745)]