1561499648

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{40129}}^1$

素因数の和:40170

約数の個数: 48

約数和(自身を含む): 3286647000

約数和(自身を除く): 1725147352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2048, 2432, 4864, 9728, 19456, 38912, 40129, 80258, 160516, 321032, 642064, 762451, 1284128, 1524902, 2568256, 3049804, 5136512, 6099608, 10273024, 12199216, 20546048, 24398432, 41092096, 48796864, 82184192, 97593728, 195187456, 390374912, 780749824, 1561499648]

約数ペア:

[(1, 1561499648), (2, 780749824), (4, 390374912), (8, 195187456), (16, 97593728), (19, 82184192), (32, 48796864), (38, 41092096), (64, 24398432), (76, 20546048), (128, 12199216), (152, 10273024), (256, 6099608), (304, 5136512), (512, 3049804), (608, 2568256), (1024, 1524902), (1216, 1284128), (2048, 762451), (2432, 642064), (4864, 321032), (9728, 160516), (19456, 80258), (38912, 40129)]