128212777

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 165162240

約数和(自身を除く): 36949463

約数列:

[1, 7, 11, 53, 77, 89, 353, 371, 583, 623, 979, 2471, 3883, 4081, 4717, 6853, 18709, 27181, 31417, 33019, 51887, 130963, 205799, 219919, 345587, 363209, 1440593, 1665101, 2419109, 11655707, 18316111, 128212777]

約数ペア:

[(1, 128212777), (7, 18316111), (11, 11655707), (53, 2419109), (77, 1665101), (89, 1440593), (353, 363209), (371, 345587), (583, 219919), (623, 205799), (979, 130963), (2471, 51887), (3883, 33019), (4081, 31417), (4717, 27181), (6853, 18709)]