1221634856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{378919}}^1$

素因数の和:378969

約数の個数: 32

約数和(自身を含む): 2546342400

約数和(自身を除く): 1324707544

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 378919, 757838, 1515676, 3031352, 4925947, 9851894, 11746489, 19703788, 23492978, 39407576, 46985956, 93971912, 152704357, 305408714, 610817428, 1221634856]

約数ペア:

[(1, 1221634856), (2, 610817428), (4, 305408714), (8, 152704357), (13, 93971912), (26, 46985956), (31, 39407576), (52, 23492978), (62, 19703788), (104, 11746489), (124, 9851894), (248, 4925947), (403, 3031352), (806, 1515676), (1612, 757838), (3224, 378919)]