1777579216

素因数分解:

$2^4\times 7^1\times {\mathrm{997}}^1\times {\mathrm{15919}}^1$

素因数の和:16931

約数の個数: 40

約数和(自身を含む): 3940263680

約数和(自身を除く): 2162684464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 997, 1994, 3988, 6979, 7976, 13958, 15919, 15952, 27916, 31838, 55832, 63676, 111433, 111664, 127352, 222866, 254704, 445732, 891464, 1782928, 15871243, 31742486, 63484972, 111098701, 126969944, 222197402, 253939888, 444394804, 888789608, 1777579216]

約数ペア:

[(1, 1777579216), (2, 888789608), (4, 444394804), (7, 253939888), (8, 222197402), (14, 126969944), (16, 111098701), (28, 63484972), (56, 31742486), (112, 15871243), (997, 1782928), (1994, 891464), (3988, 445732), (6979, 254704), (7976, 222866), (13958, 127352), (15919, 111664), (15952, 111433), (27916, 63676), (31838, 55832)]