209997138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 462873600

約数和(自身を除く): 252876462

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 163, 166, 199, 249, 326, 398, 489, 498, 597, 978, 1079, 1194, 2119, 2158, 2587, 3237, 4238, 5174, 6357, 6474, 7761, 12714, 13529, 15522, 16517, 27058, 32437, 33034, 40587, 49551, 64874, 81174, 97311, 99102, 175877, 194622, 214721, 351754, 421681, 429442, 527631, 644163, 843362, 1055262, 1265043, 1288326, 2530086, 2692271, 5384542, 8076813, 16153626, 34999523, 69999046, 104998569, 209997138]

約数ペア:

[(1, 209997138), (2, 104998569), (3, 69999046), (6, 34999523), (13, 16153626), (26, 8076813), (39, 5384542), (78, 2692271), (83, 2530086), (163, 1288326), (166, 1265043), (199, 1055262), (249, 843362), (326, 644163), (398, 527631), (489, 429442), (498, 421681), (597, 351754), (978, 214721), (1079, 194622), (1194, 175877), (2119, 99102), (2158, 97311), (2587, 81174), (3237, 64874), (4238, 49551), (5174, 40587), (6357, 33034), (6474, 32437), (7761, 27058), (12714, 16517), (13529, 15522)]