156945089

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{78121}}^1$

素因数の和:78176

約数の個数: 12

約数和(自身を含む): 187024068

約数和(自身を除く): 30078979

約数列:

[1, 7, 41, 49, 287, 2009, 78121, 546847, 3202961, 3827929, 22420727, 156945089]

約数ペア:

[(1, 156945089), (7, 22420727), (41, 3827929), (49, 3202961), (287, 546847), (2009, 78121)]