20161987102933

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1\times {\mathrm{639493}}^1$

素因数の和:640285

約数の個数: 32

約数和(自身を含む): 23113134438912

約数和(自身を除く): 2951147335979

約数列:

[1, 13, 17, 221, 331, 431, 4303, 5603, 5627, 7327, 73151, 95251, 142661, 639493, 1854593, 2425237, 8313409, 10871381, 31528081, 141327953, 211672183, 275621483, 2751738379, 3583079279, 3598427111, 4685565211, 46779552443, 60912347743, 91230710873, 1185999241349, 1550922084841, 20161987102933]

約数ペア:

[(1, 20161987102933), (13, 1550922084841), (17, 1185999241349), (221, 91230710873), (331, 60912347743), (431, 46779552443), (4303, 4685565211), (5603, 3598427111), (5627, 3583079279), (7327, 2751738379), (73151, 275621483), (95251, 211672183), (142661, 141327953), (639493, 31528081), (1854593, 10871381), (2425237, 8313409)]