196972221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{577}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 284653440

約数和(自身を除く): 87681219

約数列:

[1, 3, 19, 53, 57, 113, 159, 339, 577, 1007, 1731, 2147, 3021, 5989, 6441, 10963, 17967, 30581, 32889, 65201, 91743, 113791, 195603, 341373, 581039, 1238819, 1743117, 3455653, 3716457, 10366959, 65657407, 196972221]

約数ペア:

[(1, 196972221), (3, 65657407), (19, 10366959), (53, 3716457), (57, 3455653), (113, 1743117), (159, 1238819), (339, 581039), (577, 341373), (1007, 195603), (1731, 113791), (2147, 91743), (3021, 65201), (5989, 32889), (6441, 30581), (10963, 17967)]