13085975

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 19903488

約数和(自身を除く): 6817513

約数列:

[1, 5, 7, 25, 35, 37, 43, 47, 175, 185, 215, 235, 259, 301, 329, 925, 1075, 1175, 1295, 1505, 1591, 1645, 1739, 2021, 6475, 7525, 7955, 8225, 8695, 10105, 11137, 12173, 14147, 39775, 43475, 50525, 55685, 60865, 70735, 74777, 278425, 304325, 353675, 373885, 523439, 1869425, 2617195, 13085975]

約数ペア:

[(1, 13085975), (5, 2617195), (7, 1869425), (25, 523439), (35, 373885), (37, 353675), (43, 304325), (47, 278425), (175, 74777), (185, 70735), (215, 60865), (235, 55685), (259, 50525), (301, 43475), (329, 39775), (925, 14147), (1075, 12173), (1175, 11137), (1295, 10105), (1505, 8695), (1591, 8225), (1645, 7955), (1739, 7525), (2021, 6475)]