258276095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{18131}}^1$

素因数の和:18191

約数の個数: 32

約数和(自身を含む): 396873216

約数和(自身を除く): 138597121

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 259, 385, 407, 1295, 2035, 2849, 14245, 18131, 90655, 126917, 199441, 634585, 670847, 997205, 1396087, 3354235, 4695929, 6980435, 7379317, 23479645, 36896585, 51655219, 258276095]

約数ペア:

[(1, 258276095), (5, 51655219), (7, 36896585), (11, 23479645), (35, 7379317), (37, 6980435), (55, 4695929), (77, 3354235), (185, 1396087), (259, 997205), (385, 670847), (407, 634585), (1295, 199441), (2035, 126917), (2849, 90655), (14245, 18131)]