389928275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21163}}^1$

素因数の和:21251

約数の個数: 24

約数和(自身を含む): 535364544

約数和(自身を除く): 145436269

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 737, 1675, 3685, 18425, 21163, 105815, 232793, 529075, 1163965, 1417921, 5819825, 7089605, 15597131, 35448025, 77985655, 389928275]

約数ペア:

[(1, 389928275), (5, 77985655), (11, 35448025), (25, 15597131), (55, 7089605), (67, 5819825), (275, 1417921), (335, 1163965), (737, 529075), (1675, 232793), (3685, 105815), (18425, 21163)]