291265156

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4021}}^1$

素因数の和:4244

約数の個数: 48

約数和(自身を含む): 630649600

約数和(自身を除く): 339384444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 199, 364, 398, 796, 1393, 2587, 2786, 4021, 5174, 5572, 8042, 10348, 16084, 18109, 28147, 36218, 52273, 56294, 72436, 104546, 112588, 209092, 365911, 731822, 800179, 1463644, 1600358, 3200716, 5601253, 10402327, 11202506, 20804654, 22405012, 41609308, 72816289, 145632578, 291265156]

約数ペア:

[(1, 291265156), (2, 145632578), (4, 72816289), (7, 41609308), (13, 22405012), (14, 20804654), (26, 11202506), (28, 10402327), (52, 5601253), (91, 3200716), (182, 1600358), (199, 1463644), (364, 800179), (398, 731822), (796, 365911), (1393, 209092), (2587, 112588), (2786, 104546), (4021, 72436), (5174, 56294), (5572, 52273), (8042, 36218), (10348, 28147), (16084, 18109)]