64988245

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 93173760

約数和(自身を除く): 28185515

約数列:

[1, 5, 7, 31, 35, 89, 155, 217, 445, 623, 673, 1085, 2759, 3115, 3365, 4711, 13795, 19313, 20863, 23555, 59897, 96565, 104315, 146041, 299485, 419279, 730205, 1856807, 2096395, 9284035, 12997649, 64988245]

約数ペア:

[(1, 64988245), (5, 12997649), (7, 9284035), (31, 2096395), (35, 1856807), (89, 730205), (155, 419279), (217, 299485), (445, 146041), (623, 104315), (673, 96565), (1085, 59897), (2759, 23555), (3115, 20863), (3365, 19313), (4711, 13795)]