1279883456

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{327839}}^1$

素因数の和:327912

約数の個数: 28

約数和(自身を含む): 2581412160

約数和(自身を除く): 1301528704

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 327839, 655678, 1311356, 2622712, 5245424, 10490848, 19998179, 20981696, 39996358, 79992716, 159985432, 319970864, 639941728, 1279883456]

約数ペア:

[(1, 1279883456), (2, 639941728), (4, 319970864), (8, 159985432), (16, 79992716), (32, 39996358), (61, 20981696), (64, 19998179), (122, 10490848), (244, 5245424), (488, 2622712), (976, 1311356), (1952, 655678), (3904, 327839)]