87190411

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 116421120

約数和(自身を除く): 29230709

約数列:

[1, 7, 11, 19, 61, 77, 133, 209, 427, 671, 977, 1159, 1463, 4697, 6839, 8113, 10747, 12749, 18563, 59597, 75229, 89243, 129941, 204193, 417179, 655567, 1132343, 1429351, 4588969, 7926401, 12455773, 87190411]

約数ペア:

[(1, 87190411), (7, 12455773), (11, 7926401), (19, 4588969), (61, 1429351), (77, 1132343), (133, 655567), (209, 417179), (427, 204193), (671, 129941), (977, 89243), (1159, 75229), (1463, 59597), (4697, 18563), (6839, 12749), (8113, 10747)]