80961884

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 144522000

約数和(自身を除く): 63560116

約数列:

[1, 2, 4, 61, 122, 244, 449, 739, 898, 1478, 1796, 2956, 27389, 45079, 54778, 90158, 109556, 180316, 331811, 663622, 1327244, 20240471, 40480942, 80961884]

約数ペア:

[(1, 80961884), (2, 40480942), (4, 20240471), (61, 1327244), (122, 663622), (244, 331811), (449, 180316), (739, 109556), (898, 90158), (1478, 54778), (1796, 45079), (2956, 27389)]