208538165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{25447}}^1$

素因数の和:25612

約数の個数: 16

約数和(自身を含む): 274838400

約数和(自身を除く): 66300235

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 25447, 127235, 279917, 1399585, 3791603, 18958015, 41707633, 208538165]

約数ペア:

[(1, 208538165), (5, 41707633), (11, 18958015), (55, 3791603), (149, 1399585), (745, 279917), (1639, 127235), (8195, 25447)]