78586475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:428

約数の個数: 36

約数和(自身を含む): 108748248

約数和(自身を除く): 30161773

約数列:

[1, 5, 11, 25, 55, 83, 121, 275, 313, 415, 605, 913, 1565, 2075, 3025, 3443, 4565, 7825, 10043, 17215, 22825, 25979, 37873, 50215, 86075, 129895, 189365, 251075, 285769, 649475, 946825, 1428845, 3143459, 7144225, 15717295, 78586475]

約数ペア:

[(1, 78586475), (5, 15717295), (11, 7144225), (25, 3143459), (55, 1428845), (83, 946825), (121, 649475), (275, 285769), (313, 251075), (415, 189365), (605, 129895), (913, 86075), (1565, 50215), (2075, 37873), (3025, 25979), (3443, 22825), (4565, 17215), (7825, 10043)]