320465432

素因数分解:

$2^3\times 7^1\times {\mathrm{337}}^1\times {\mathrm{16981}}^1$

素因数の和:17331

約数の個数: 32

約数和(自身を含む): 688789920

約数和(自身を除く): 368324488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337, 674, 1348, 2359, 2696, 4718, 9436, 16981, 18872, 33962, 67924, 118867, 135848, 237734, 475468, 950936, 5722597, 11445194, 22890388, 40058179, 45780776, 80116358, 160232716, 320465432]

約数ペア:

[(1, 320465432), (2, 160232716), (4, 80116358), (7, 45780776), (8, 40058179), (14, 22890388), (28, 11445194), (56, 5722597), (337, 950936), (674, 475468), (1348, 237734), (2359, 135848), (2696, 118867), (4718, 67924), (9436, 33962), (16981, 18872)]