128877808

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{743}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 257671008

約数和(自身を除く): 128793200

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 293, 296, 586, 592, 743, 1172, 1486, 2344, 2972, 4688, 5944, 10841, 11888, 21682, 27491, 43364, 54982, 86728, 109964, 173456, 217699, 219928, 435398, 439856, 870796, 1741592, 3483184, 8054863, 16109726, 32219452, 64438904, 128877808]

約数ペア:

[(1, 128877808), (2, 64438904), (4, 32219452), (8, 16109726), (16, 8054863), (37, 3483184), (74, 1741592), (148, 870796), (293, 439856), (296, 435398), (586, 219928), (592, 217699), (743, 173456), (1172, 109964), (1486, 86728), (2344, 54982), (2972, 43364), (4688, 27491), (5944, 21682), (10841, 11888)]