12972575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 20998656

約数和(自身を除く): 8026081

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 293, 385, 575, 805, 1265, 1465, 1771, 1925, 2051, 3223, 4025, 6325, 6739, 7325, 8855, 10255, 16115, 22561, 33695, 44275, 47173, 51275, 74129, 80575, 112805, 168475, 235865, 370645, 518903, 564025, 1179325, 1853225, 2594515, 12972575]

約数ペア:

[(1, 12972575), (5, 2594515), (7, 1853225), (11, 1179325), (23, 564025), (25, 518903), (35, 370645), (55, 235865), (77, 168475), (115, 112805), (161, 80575), (175, 74129), (253, 51275), (275, 47173), (293, 44275), (385, 33695), (575, 22561), (805, 16115), (1265, 10255), (1465, 8855), (1771, 7325), (1925, 6739), (2051, 6325), (3223, 4025)]