3978752

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 40

約数和(自身を含む): 8388600

約数和(自身を除く): 4409848

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 409, 512, 608, 818, 1216, 1636, 2432, 3272, 4864, 6544, 7771, 9728, 13088, 15542, 26176, 31084, 52352, 62168, 104704, 124336, 209408, 248672, 497344, 994688, 1989376, 3978752]

約数ペア:

[(1, 3978752), (2, 1989376), (4, 994688), (8, 497344), (16, 248672), (19, 209408), (32, 124336), (38, 104704), (64, 62168), (76, 52352), (128, 31084), (152, 26176), (256, 15542), (304, 13088), (409, 9728), (512, 7771), (608, 6544), (818, 4864), (1216, 3272), (1636, 2432)]