23978185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 36497664

約数和(自身を除く): 12519479

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 427, 671, 1021, 2135, 3355, 4697, 5105, 7147, 11231, 23485, 35735, 56155, 62281, 78617, 311405, 393085, 435967, 685091, 2179835, 3425455, 4795637, 23978185]

約数ペア:

[(1, 23978185), (5, 4795637), (7, 3425455), (11, 2179835), (35, 685091), (55, 435967), (61, 393085), (77, 311405), (305, 78617), (385, 62281), (427, 56155), (671, 35735), (1021, 23485), (2135, 11231), (3355, 7147), (4697, 5105)]