1273664384

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 2597899200

約数和(自身を除く): 1324234816

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 157, 244, 314, 488, 628, 976, 1039, 1256, 1952, 2078, 2512, 3904, 4156, 5024, 7808, 8312, 9577, 10048, 16624, 19154, 20096, 33248, 38308, 63379, 66496, 76616, 126758, 132992, 153232, 163123, 253516, 306464, 326246, 507032, 612928, 652492, 1014064, 1225856, 1304984, 2028128, 2609968, 4056256, 5219936, 8112512, 9950503, 10439872, 19901006, 20879744, 39802012, 79604024, 159208048, 318416096, 636832192, 1273664384]

約数ペア:

[(1, 1273664384), (2, 636832192), (4, 318416096), (8, 159208048), (16, 79604024), (32, 39802012), (61, 20879744), (64, 19901006), (122, 10439872), (128, 9950503), (157, 8112512), (244, 5219936), (314, 4056256), (488, 2609968), (628, 2028128), (976, 1304984), (1039, 1225856), (1256, 1014064), (1952, 652492), (2078, 612928), (2512, 507032), (3904, 326246), (4156, 306464), (5024, 253516), (7808, 163123), (8312, 153232), (9577, 132992), (10048, 126758), (16624, 76616), (19154, 66496), (20096, 63379), (33248, 38308)]