2780589056

素因数分解:

$2^{10}\times 7^1\times {\mathrm{387917}}^1$

素因数の和:387944

約数の個数: 44

約数和(自身を含む): 6352545168

約数和(自身を除く): 3571956112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 387917, 775834, 1551668, 2715419, 3103336, 5430838, 6206672, 10861676, 12413344, 21723352, 24826688, 43446704, 49653376, 86893408, 99306752, 173786816, 198613504, 347573632, 397227008, 695147264, 1390294528, 2780589056]

約数ペア:

[(1, 2780589056), (2, 1390294528), (4, 695147264), (7, 397227008), (8, 347573632), (14, 198613504), (16, 173786816), (28, 99306752), (32, 86893408), (56, 49653376), (64, 43446704), (112, 24826688), (128, 21723352), (224, 12413344), (256, 10861676), (448, 6206672), (512, 5430838), (896, 3103336), (1024, 2715419), (1792, 1551668), (3584, 775834), (7168, 387917)]