49879985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 65318400

約数和(自身を除く): 15438415

約数列:

[1, 5, 23, 41, 71, 115, 149, 205, 355, 745, 943, 1633, 2911, 3427, 4715, 6109, 8165, 10579, 14555, 17135, 30545, 52895, 66953, 140507, 243317, 334765, 433739, 702535, 1216585, 2168695, 9975997, 49879985]

約数ペア:

[(1, 49879985), (5, 9975997), (23, 2168695), (41, 1216585), (71, 702535), (115, 433739), (149, 334765), (205, 243317), (355, 140507), (745, 66953), (943, 52895), (1633, 30545), (2911, 17135), (3427, 14555), (4715, 10579), (6109, 8165)]