138128128

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 54

約数和(自身を含む): 293046236

約数和(自身を除く): 154918108

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 289, 544, 578, 1088, 1156, 1867, 2176, 2312, 3734, 4352, 4624, 7468, 9248, 14936, 18496, 29872, 31739, 36992, 59744, 63478, 73984, 119488, 126956, 238976, 253912, 477952, 507824, 539563, 1015648, 1079126, 2031296, 2158252, 4062592, 4316504, 8125184, 8633008, 17266016, 34532032, 69064064, 138128128]

約数ペア:

[(1, 138128128), (2, 69064064), (4, 34532032), (8, 17266016), (16, 8633008), (17, 8125184), (32, 4316504), (34, 4062592), (64, 2158252), (68, 2031296), (128, 1079126), (136, 1015648), (256, 539563), (272, 507824), (289, 477952), (544, 253912), (578, 238976), (1088, 126956), (1156, 119488), (1867, 73984), (2176, 63478), (2312, 59744), (3734, 36992), (4352, 31739), (4624, 29872), (7468, 18496), (9248, 14936)]