1900276021

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{6299}}^1$

素因数の和:6984

約数の個数: 16

約数和(自身を含む): 2206310400

約数和(自身を除く): 306034379

約数列:

[1, 7, 71, 497, 607, 4249, 6299, 43097, 44093, 301679, 447229, 3130603, 3823493, 26764451, 271468003, 1900276021]

約数ペア:

[(1, 1900276021), (7, 271468003), (71, 26764451), (497, 3823493), (607, 3130603), (4249, 447229), (6299, 301679), (43097, 44093)]