2157849995

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{673}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 3153349440

約数和(自身を除く): 995499445

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 569, 673, 805, 1127, 2845, 3365, 3983, 4711, 5635, 13087, 15479, 19915, 23555, 27881, 32977, 65435, 77395, 91609, 108353, 139405, 164885, 382937, 458045, 541765, 641263, 758471, 1914685, 2680559, 3206315, 3792355, 8807551, 13402795, 18763913, 44037755, 61652857, 93819565, 308264285, 431569999, 2157849995]

約数ペア:

[(1, 2157849995), (5, 431569999), (7, 308264285), (23, 93819565), (35, 61652857), (49, 44037755), (115, 18763913), (161, 13402795), (245, 8807551), (569, 3792355), (673, 3206315), (805, 2680559), (1127, 1914685), (2845, 758471), (3365, 641263), (3983, 541765), (4711, 458045), (5635, 382937), (13087, 164885), (15479, 139405), (19915, 108353), (23555, 91609), (27881, 77395), (32977, 65435)]