209580304

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{42667}}^1$

素因数の和:42982

約数の個数: 20

約数和(自身を含む): 407394064

約数和(自身を除く): 197813760

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 42667, 85334, 170668, 341336, 682672, 13098769, 26197538, 52395076, 104790152, 209580304]

約数ペア:

[(1, 209580304), (2, 104790152), (4, 52395076), (8, 26197538), (16, 13098769), (307, 682672), (614, 341336), (1228, 170668), (2456, 85334), (4912, 42667)]