264837295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 354977280

約数和(自身を除く): 90139985

約数列:

[1, 5, 19, 23, 61, 95, 115, 305, 437, 1159, 1403, 1987, 2185, 5795, 7015, 9935, 26657, 37753, 45701, 121207, 133285, 188765, 228505, 606035, 868319, 2302933, 2787761, 4341595, 11514665, 13938805, 52967459, 264837295]

約数ペア:

[(1, 264837295), (5, 52967459), (19, 13938805), (23, 11514665), (61, 4341595), (95, 2787761), (115, 2302933), (305, 868319), (437, 606035), (1159, 228505), (1403, 188765), (1987, 133285), (2185, 121207), (5795, 45701), (7015, 37753), (9935, 26657)]