1245709456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{47387}}^1$

素因数の和:47479

約数の個数: 40

約数和(自身を含む): 2538480384

約数和(自身を除く): 1292770928

約数列:

[1, 2, 4, 8, 16, 31, 53, 62, 106, 124, 212, 248, 424, 496, 848, 1643, 3286, 6572, 13144, 26288, 47387, 94774, 189548, 379096, 758192, 1468997, 2511511, 2937994, 5023022, 5875988, 10046044, 11751976, 20092088, 23503952, 40184176, 77856841, 155713682, 311427364, 622854728, 1245709456]

約数ペア:

[(1, 1245709456), (2, 622854728), (4, 311427364), (8, 155713682), (16, 77856841), (31, 40184176), (53, 23503952), (62, 20092088), (106, 11751976), (124, 10046044), (212, 5875988), (248, 5023022), (424, 2937994), (496, 2511511), (848, 1468997), (1643, 758192), (3286, 379096), (6572, 189548), (13144, 94774), (26288, 47387)]