130278326

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 210988800

約数和(自身を除く): 80710474

約数列:

[1, 2, 19, 38, 71, 109, 142, 218, 443, 886, 1349, 2071, 2698, 4142, 7739, 8417, 15478, 16834, 31453, 48287, 62906, 96574, 147041, 294082, 597607, 917453, 1195214, 1834906, 3428377, 6856754, 65139163, 130278326]

約数ペア:

[(1, 130278326), (2, 65139163), (19, 6856754), (38, 3428377), (71, 1834906), (109, 1195214), (142, 917453), (218, 597607), (443, 294082), (886, 147041), (1349, 96574), (2071, 62906), (2698, 48287), (4142, 31453), (7739, 16834), (8417, 15478)]