279742015

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 395800704

約数和(自身を除く): 116058689

約数列:

[1, 5, 7, 35, 37, 185, 259, 337, 641, 1295, 1685, 2359, 3205, 4487, 11795, 12469, 22435, 23717, 62345, 87283, 118585, 166019, 216017, 436415, 830095, 1080085, 1512119, 7560595, 7992629, 39963145, 55948403, 279742015]

約数ペア:

[(1, 279742015), (5, 55948403), (7, 39963145), (35, 7992629), (37, 7560595), (185, 1512119), (259, 1080085), (337, 830095), (641, 436415), (1295, 216017), (1685, 166019), (2359, 118585), (3205, 87283), (4487, 62345), (11795, 23717), (12469, 22435)]