12988955

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 18800640

約数和(自身を除く): 5811685

約数列:

[1, 5, 7, 29, 35, 67, 145, 191, 203, 335, 469, 955, 1015, 1337, 1943, 2345, 5539, 6685, 9715, 12797, 13601, 27695, 38773, 63985, 68005, 89579, 193865, 371113, 447895, 1855565, 2597791, 12988955]

約数ペア:

[(1, 12988955), (5, 2597791), (7, 1855565), (29, 447895), (35, 371113), (67, 193865), (145, 89579), (191, 68005), (203, 63985), (335, 38773), (469, 27695), (955, 13601), (1015, 12797), (1337, 9715), (1943, 6685), (2345, 5539)]