1640874319

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{6949}}^1$

素因数の和:7103

約数の個数: 24

約数和(自身を含む): 1964904000

約数和(自身を除く): 324029681

約数列:

[1, 7, 49, 61, 79, 427, 553, 2989, 3871, 4819, 6949, 33733, 48643, 236131, 340501, 423889, 548971, 2967223, 3842797, 20770561, 26899579, 33487231, 234410617, 1640874319]

約数ペア:

[(1, 1640874319), (7, 234410617), (49, 33487231), (61, 26899579), (79, 20770561), (427, 3842797), (553, 2967223), (2989, 548971), (3871, 423889), (4819, 340501), (6949, 236131), (33733, 48643)]