81723712

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9601}}^1$

素因数の和:9639

約数の個数: 56

約数和(自身を含む): 195112640

約数和(自身を除く): 113388928

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 4256, 8512, 9601, 19202, 38404, 67207, 76808, 134414, 153616, 182419, 268828, 307232, 364838, 537656, 614464, 729676, 1075312, 1276933, 1459352, 2150624, 2553866, 2918704, 4301248, 5107732, 5837408, 10215464, 11674816, 20430928, 40861856, 81723712]

約数ペア:

[(1, 81723712), (2, 40861856), (4, 20430928), (7, 11674816), (8, 10215464), (14, 5837408), (16, 5107732), (19, 4301248), (28, 2918704), (32, 2553866), (38, 2150624), (56, 1459352), (64, 1276933), (76, 1075312), (112, 729676), (133, 614464), (152, 537656), (224, 364838), (266, 307232), (304, 268828), (448, 182419), (532, 153616), (608, 134414), (1064, 76808), (1216, 67207), (2128, 38404), (4256, 19202), (8512, 9601)]