28278156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1699}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 70448000

約数和(自身を除く): 42169844

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1387, 1699, 2774, 3398, 4161, 5097, 5548, 6796, 8322, 10194, 16644, 20388, 32281, 64562, 96843, 124027, 129124, 193686, 248054, 372081, 387372, 496108, 744162, 1488324, 2356513, 4713026, 7069539, 9426052, 14139078, 28278156]

約数ペア:

[(1, 28278156), (2, 14139078), (3, 9426052), (4, 7069539), (6, 4713026), (12, 2356513), (19, 1488324), (38, 744162), (57, 496108), (73, 387372), (76, 372081), (114, 248054), (146, 193686), (219, 129124), (228, 124027), (292, 96843), (438, 64562), (876, 32281), (1387, 20388), (1699, 16644), (2774, 10194), (3398, 8322), (4161, 6796), (5097, 5548)]