156728831

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 199646208

約数和(自身を除く): 42917377

約数列:

[1, 7, 17, 23, 119, 161, 173, 331, 391, 1211, 2317, 2737, 2941, 3979, 5627, 7613, 20587, 27853, 39389, 53291, 57263, 67643, 129421, 400841, 473501, 905947, 973471, 1317049, 6814297, 9219343, 22389833, 156728831]

約数ペア:

[(1, 156728831), (7, 22389833), (17, 9219343), (23, 6814297), (119, 1317049), (161, 973471), (173, 905947), (331, 473501), (391, 400841), (1211, 129421), (2317, 67643), (2737, 57263), (2941, 53291), (3979, 39389), (5627, 27853), (7613, 20587)]