291287684428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{937207}}^1$

素因数の和:937406

約数の個数: 48

約数和(自身を含む): 565773725440

約数和(自身を除く): 274486041012

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 139, 172, 278, 556, 559, 1118, 1807, 2236, 3614, 5977, 7228, 11954, 23908, 77701, 155402, 310804, 937207, 1874414, 3748828, 12183691, 24367382, 40299901, 48734764, 80599802, 130271773, 161199604, 260543546, 521087092, 523898713, 1047797426, 1693533049, 2095594852, 3387066098, 5601686239, 6774132196, 11203372478, 22406744956, 72821921107, 145643842214, 291287684428]

約数ペア:

[(1, 291287684428), (2, 145643842214), (4, 72821921107), (13, 22406744956), (26, 11203372478), (43, 6774132196), (52, 5601686239), (86, 3387066098), (139, 2095594852), (172, 1693533049), (278, 1047797426), (556, 523898713), (559, 521087092), (1118, 260543546), (1807, 161199604), (2236, 130271773), (3614, 80599802), (5977, 48734764), (7228, 40299901), (11954, 24367382), (23908, 12183691), (77701, 3748828), (155402, 1874414), (310804, 937207)]