197690405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{14207}}^1$

素因数の和:14257

約数の個数: 24

約数和(自身を含む): 272111616

約数和(自身を除く): 74421211

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2783, 13915, 14207, 71035, 156277, 326761, 781385, 1633805, 1719047, 3594371, 8595235, 17971855, 39538081, 197690405]

約数ペア:

[(1, 197690405), (5, 39538081), (11, 17971855), (23, 8595235), (55, 3594371), (115, 1719047), (121, 1633805), (253, 781385), (605, 326761), (1265, 156277), (2783, 71035), (13915, 14207)]