28751256

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{21017}}^1$

素因数の和:21048

約数の個数: 48

約数和(自身を含む): 81970200

約数和(自身を除く): 53218944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 21017, 42034, 63051, 84068, 126102, 168136, 189153, 252204, 378306, 399323, 504408, 756612, 798646, 1197969, 1513224, 1597292, 2395938, 3194584, 3593907, 4791876, 7187814, 9583752, 14375628, 28751256]

約数ペア:

[(1, 28751256), (2, 14375628), (3, 9583752), (4, 7187814), (6, 4791876), (8, 3593907), (9, 3194584), (12, 2395938), (18, 1597292), (19, 1513224), (24, 1197969), (36, 798646), (38, 756612), (57, 504408), (72, 399323), (76, 378306), (114, 252204), (152, 189153), (171, 168136), (228, 126102), (342, 84068), (456, 63051), (684, 42034), (1368, 21017)]