209806572

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 499468032

約数和(自身を除く): 289661460

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 443, 647, 732, 886, 1294, 1329, 1772, 1941, 2588, 2658, 3882, 5316, 7764, 27023, 39467, 54046, 78934, 81069, 108092, 118401, 157868, 162138, 236802, 286621, 324276, 473604, 573242, 859863, 1146484, 1719726, 3439452, 17483881, 34967762, 52451643, 69935524, 104903286, 209806572]

約数ペア:

[(1, 209806572), (2, 104903286), (3, 69935524), (4, 52451643), (6, 34967762), (12, 17483881), (61, 3439452), (122, 1719726), (183, 1146484), (244, 859863), (366, 573242), (443, 473604), (647, 324276), (732, 286621), (886, 236802), (1294, 162138), (1329, 157868), (1772, 118401), (1941, 108092), (2588, 81069), (2658, 78934), (3882, 54046), (5316, 39467), (7764, 27023)]