85118972

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 151240320

約数和(自身を除く): 66121348

約数列:

[1, 2, 4, 109, 197, 218, 394, 436, 788, 991, 1982, 3964, 21473, 42946, 85892, 108019, 195227, 216038, 390454, 432076, 780908, 21279743, 42559486, 85118972]

約数ペア:

[(1, 85118972), (2, 42559486), (4, 21279743), (109, 780908), (197, 432076), (218, 390454), (394, 216038), (436, 195227), (788, 108019), (991, 85892), (1982, 42946), (3964, 21473)]