289940992

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{51481}}^1$

素因数の和:51510

約数の個数: 40

約数和(自身を含む): 631993032

約数和(自身を除く): 342052040

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 5632, 51481, 102962, 205924, 411848, 566291, 823696, 1132582, 1647392, 2265164, 3294784, 4530328, 6589568, 9060656, 13179136, 18121312, 26358272, 36242624, 72485248, 144970496, 289940992]

約数ペア:

[(1, 289940992), (2, 144970496), (4, 72485248), (8, 36242624), (11, 26358272), (16, 18121312), (22, 13179136), (32, 9060656), (44, 6589568), (64, 4530328), (88, 3294784), (128, 2265164), (176, 1647392), (256, 1132582), (352, 823696), (512, 566291), (704, 411848), (1408, 205924), (2816, 102962), (5632, 51481)]