13072465

素因数分解:

$5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 18406440

約数和(自身を除く): 5333975

約数列:

[1, 5, 7, 35, 49, 229, 233, 245, 1145, 1165, 1603, 1631, 8015, 8155, 11221, 11417, 53357, 56105, 57085, 266785, 373499, 1867495, 2614493, 13072465]

約数ペア:

[(1, 13072465), (5, 2614493), (7, 1867495), (35, 373499), (49, 266785), (229, 57085), (233, 56105), (245, 53357), (1145, 11417), (1165, 11221), (1603, 8155), (1631, 8015)]