68015488

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 142669440

約数和(自身を除く): 74653952

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 281, 488, 496, 562, 976, 992, 1124, 1891, 1952, 1984, 2248, 3782, 3904, 3968, 4496, 7564, 7808, 8711, 8992, 15128, 17141, 17422, 17984, 30256, 34282, 34844, 35968, 60512, 68564, 69688, 121024, 137128, 139376, 242048, 274256, 278752, 531371, 548512, 557504, 1062742, 1097024, 1115008, 2125484, 2194048, 4250968, 8501936, 17003872, 34007744, 68015488]

約数ペア:

[(1, 68015488), (2, 34007744), (4, 17003872), (8, 8501936), (16, 4250968), (31, 2194048), (32, 2125484), (61, 1115008), (62, 1097024), (64, 1062742), (122, 557504), (124, 548512), (128, 531371), (244, 278752), (248, 274256), (281, 242048), (488, 139376), (496, 137128), (562, 121024), (976, 69688), (992, 68564), (1124, 60512), (1891, 35968), (1952, 34844), (1984, 34282), (2248, 30256), (3782, 17984), (3904, 17422), (3968, 17141), (4496, 15128), (7564, 8992), (7808, 8711)]